You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Could you please book a flight ticket from IAH to ATL as I want to attend a sports festival?

ASSISTANT: Sure, I am glad to help you. Could you please share your trip dates?

USER: I want to travel on Feb 15 and return on Feb 17.

ASSISTANT: May I know your name?

USER: My name is Anthony Allen.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.