You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Joseph White here. I am a bank employee, I have to attend a meeting in our main branch at Austin. So please book my ticket from Detroit.

ASSISTANT: Sure, can you please help me with the airport code of Austin and Detroit?

USER: My genesis and terminus airport codes are DTW and AUS.

ASSISTANT: Ok, when are you willing to travel?

USER: My itinerary dates are 07/08 and 07/10.

ASSISTANT: Ok, how much can you spend for this reservation?

USER: I can afford 5000.

ASSISTANT: Ok, give me sometime to check the availability of flights.

USER: Sure, I need a connecting flight.

ASSISTANT: Thank you for waiting, we have a connecting flight with price 100 from Delta airline. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed in flight 1010.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.