You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from DTW to SFO?

ASSISTANT: Sure, can you share your trip dates?

USER: I would like to depart on Mar 28th and return on Mar 30th.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Are there any other specifications?

USER: I have no other specifications.

ASSISTANT: Please forward your name.

USER: I am Michelle Smith.

ASSISTANT: We found a connecting flight of fare 100 with airline American and number 1013. Can I book?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you.