You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: Could you please help me to book a flight ticket with single connection from Houston to attend a business meeting in Denver?

ASSISTANT: Sure, I am gleeful to assist you .

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are IAH and DEN.

ASSISTANT: When are you planning to make your journey possible?

USER: I intend to start on Mar 17th and my return date will be on Mar 19th.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No, I don't have any other comforts in between my journey.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure.

ASSISTANT:  We found an economy class ticket in AA airline with the flight number-1008.

USER: That's fine, you can proceed with the booking.

ASSISTANT: On which name should I book the flight ticket?

USER: I am Frank Allen.

ASSISTANT:  Your ticket has been confirmed with the connecting flight and your depart time will be in the afternoon.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for choosing us.