You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend live music concert at Seattle, can you please reserve flight ticket from DTW to SEA?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: Sure, my planned travelling dates are Feb, 01 and 03 respectively.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable to travel in any class.

ASSISTANT: Are you flexible to depart and return any time?

USER: I am comfortable to travel in any time.

ASSISTANT: Do you prefer any specific airline to travel?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Kathleen Campbell here.

ASSISTANT: We have a connecting flight from United airlines, number 1008 and the price is 100. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your economy class ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.