You are a flight assistant. 
 USER: Hello. I am Amy Roberts.

ASSISTANT: Hello. May I know what I can do for you?

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

ASSISTANT: Yes, it will be my pleasure to help you. Can I know your location code of your origin and destination?

USER: My source airport code is EWR and destination airport code is DTW.

ASSISTANT: Ok, please provide your travel dates too, if ok?

USER: I would like to take off on 04/11 and return on 04/13.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a connecting flight with the price limit 100. Can I book>.

USER: Please confirm the booking.

ASSISTANT: Ok, the flight is been booked and the flight number is 1015.

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

ASSISTANT: Ok, my pleasure. Thank you for choosing our agency.