You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please make a reservation from IAD to PHX to attend a meeting in Phoenix?

ASSISTANT: Sure, help me with the trip dates?

USER: My journey dates are on Dec 25th and 27th.

ASSISTANT: May I know your name please?

USER: My name is Shirley Thomas.

ASSISTANT: Do you have any preferences?

USER: I prefer a flight with single connection.

ASSISTANT: We found an airline: United, flight number: 1017 and price is 100 with direct connection. Shall I proceed to book?

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.