You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Mitchell.

ASSISTANT: Rachel, how can I aid you today?

USER: I want to book a ticket from AUS to HOU, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travel dates are 11/28 and 11/30.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 200. Shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been booked with 1025 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.