You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am willing to change my reservation. Can you please help me for this?

ASSISTANT: Sure, may I know your name please?

USER: Myself Janet Carter.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: We found a reservation with your given name, please share your new journey dates.

USER: I am planning my trip on Dec 22 and again I will be return back on Dec 24.

ASSISTANT: May I know your source and destination airport codes?

USER: My new airport codes are AUS to DTW.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am flexible with single connection.

ASSISTANT: Do you have any airline preference?

USER: No, I am comfort with any airlines.

ASSISTANT: Do you want economy class or business class?

USER: I would like to travel in economy class.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other requirements.

ASSISTANT: We found a Hawaiian airline, flight number: 1004, price: 300 with one connection.

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you, have a good day.