You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Martinez.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from AUS to DTW?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: Sure, I need to travel on dates of 09/11 and 09/13.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: That is fine, please proceed with booking.

ASSISTANT: I have successfully booked your ticket with flight-1007, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.