You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Karen Brown.

ASSISTANT: Nice to meet you.

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

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: I would like to depart on Aug 8th and return on Aug 10th.

ASSISTANT: May i know your class and airlines name please?

USER: I am comfortable with any airlines. And make sure that my depart time is evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Southwest airlines is providing a flight on that route with ticket fare of 200 and 1 connection, it's depart time is 2:00 AM and arrival time is 15:00 PM. Shall I proceed for booking?

USER: Yes, please confirm the booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1008, have a safe journey.

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

ASSISTANT: Thank you for choosing us, have a nice day.