You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Could you please find a flight from HOU to AUS, to meet my sister on her birthday.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Ok, my trip dates are from Apr 20 to 22.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes.

ASSISTANT: Do you require any specifications in your journey?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, I am Carol Adams.

ASSISTANT: Spirit airlines is providing a connecting flight in economy class.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thanks for your time and service.

ASSISTANT: Thank you.