You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me to book my ticket from IAD to IAH?

ASSISTANT: Sure. May I know your name please?

USER: Betty Johnson here.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes, I am looking for a stop over in my journey.

ASSISTANT: Tell me your travel dates please?

USER: My depart is on Apr 27 and arrival is on Apr 29.

ASSISTANT: Any other preferences?

USER: My return journey should be in the afternoon.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for your time.

USER: My pleasure.

ASSISTANT: I have found spirit airlines which is a lay-by flight and the return time will be at 17:00 Hours.

USER: Please proceed for booking.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1026.

USER: Thank you for the help.

ASSISTANT: Thank you.