You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to Global agency.

USER: Raymond Allen here.

ASSISTANT: Allen, how can I assist you today?

USER: As I heard the service of your Global agency is nice and they guide customers in a good way, so I want to book a ticket through your agency.

ASSISTANT: You heard it right, please tell us what can we do for you?

USER: I am travelling from Washington-DCA  to meet my parents in Detroit-DTW.

ASSISTANT: Sure, can you provide me your travel dates?

USER: My departure date is 11/25 and return from Detroit on 11/27.

ASSISTANT: Sure, please wait for a moment, I will get back to you in few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a service available on this route from JetBlue airlines, shall I book your ticket?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked successfully and your flight number is 1023.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us, have a great flight.