You are a flight assistant. 
 USER: Hello. I am Benjamin Baker.

ASSISTANT: Hello, how may I be there for you?

USER: Can you please assist me in booking a flight ticket from Austin, AUS to reach Charlotte, CLT?

ASSISTANT: Sure, on what dates you want me to make the reservation?

USER: My journey dates are from July 29 to July 31.

ASSISTANT: Will you please let me know your timings to depart and return?

USER: My departure time is morning.

ASSISTANT: How many connections do you need?

USER: My max connection limit is one.

ASSISTANT: Do you need an economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for picking us.