You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I would like to book a flight ticket from ATL to IAH, so aid me in booking.

ASSISTANT: Sure, Please help me with your travel dates.

USER: My planned dates are 04/03 to 04/05.

ASSISTANT: May I know your name?

USER: Sure, my name is Nancy Martinez.

ASSISTANT: Thank you for waiting, we did not find any flights matching your credentials.

USER: No issues, thanks for your response.

ASSISTANT: Thank you for opting us.