You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to book a flight ticket to IAH from AUS, can you please help me out?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: Sure, my trip dates are Nov 15 and Nov 17.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with 1 connection.

ASSISTANT: May I know your name please?

USER: Sure, my name is Carolyn Garcia.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: Sorry, we did not find any flights matching your specifications.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.