You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please book a flight ticket with the name of Nicole Wright to Detroit, DTW?.

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable dates of journey are 10/03 to 10/05.

ASSISTANT: Kindly mention your source code please?

USER: Austin, AUS is my boarding point.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: We found an airline Delta of flight 1001 and cost is 100.

USER: You can book this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for aiding me.

ASSISTANT: Thank you.