main.xml

<?xml version="1.0"?>
<vxml version="2.1">
  <script src="trips.js" />
  <script src="functions.js" />
  
  <link next="#bye">
    <grammar type="text/gsl"> [(?good bye)~0.02] </grammar>
  </link>

  <link next="#main_menu">
    <grammar type="text/gsl"> [[(main ?menu) begin]~0.05] </grammar>
  </link>

  <menu id="main_menu">
      <prompt><break time="1500" /></prompt>
      <prompt>Welcome to GUC train reservation system.</prompt>
      <prompt>For reservations, say "reservation", or press 1.</prompt>
      <prompt>To find a trip, say "find", or press 2.</prompt>
      <choice dtmf="1" next="reservation.xml">reservation</choice>
      <choice dtmf="2" next="#find">find</choice>
<!--    <subdialog name="tsearch" src="search.xml">-->
<!--      <filled>-->
<!--        <if cond="tsearch.trip != null">-->
<!--          <prompt>Trip is not null.</prompt>-->
<!--          <var name="say" expr="sayTrip(tsearch.trip)" />-->
<!--          <log expr="say" />-->
<!--          <prompt><value expr="say" /></prompt>-->
<!--        </if>-->
<!--      </filled>-->
<!--    </subdialog>-->
  </menu>
  
  <form id="find">
    <subdialog src="search.xml">
      <filled>
        <goto next="#bye" />
      </filled>
    </subdialog>
  </form>
  
  <form id="bye">
    <block>
      <prompt>Thank you for calling. Good bye! </prompt>
    </block>
  </form>
</vxml>