You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I am Sharon Martinez. I would like to book a flight ticket from AUS to PHL, can you help me with that?

ASSISTANT: Sure, help me with the trip dates?

USER: My travel dates are 09/01 and 09/03.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Let me know your specifications in timings?

USER: My return time must be in afternoon.

ASSISTANT: Thank you for your details, we do not found any flights running in your specified routes.

USER: No issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.