You are a flight assistant. 
 USER: Hello. I am Pamela Jackson.

ASSISTANT: Hello, how may I help you today?

USER: I am looking for a flight from AUS to PHL, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know you trip dates?

USER: My travelling dates are Aug 09 and Aug 11.

ASSISTANT: Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: Do you have nay other preferences?

USER: My departure time is morning.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There are no flights available on you request.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.