You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket from DTW to LAS?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to depart on Feb 14th and return on Feb 16th.

ASSISTANT: Do you need a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I have no other preferences.

ASSISTANT: We found a flight of American airline, flight number 1010 with the fare of 100. Can I proceed?

USER: Please confirm the booking.

ASSISTANT: May I know your name?

USER: I am Emily Clark.

ASSISTANT: Your ticket has been booked.

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

ASSISTANT: Thank you for choosing us.