You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: There is bike ride competition on 07/18 in Austin. So, I would like to participate in that. Can you please book a flight from Detroit, DTW?

ASSISTANT: Sure, let me know your destination airport code.

USER: Sure, it is Austin, AUS.

ASSISTANT: May I know your good name please?

USER: I am Karen Scott.

ASSISTANT: When do you plan to return?

USER: I intend to return on 07/20. I need a connecting flight.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. There is a Hawaiian airline with flight number 1002 and price is 100 matching your specifications.

USER: Ok. Please proceed to book.

ASSISTANT: Your reservation is done.

USER: I am glad at your service, Thank You.

ASSISTANT: Thank you for reaching us.