You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I had to request for this change reservation.

ASSISTANT: Sure, we are glad to help you. Can you please let me know your good name?

USER: My name is Anna Davis.

ASSISTANT: We found a reservation on your name. May I know your respective airport codes to proceed further?

USER: Airport codes are IAD and PHX.

ASSISTANT: When are you willing to travel?

USER: Depart date is Dec, 23 and return by Dec, 25.

ASSISTANT: Are there any other specifications for you?

USER: I would prefer connecting flight.

ASSISTANT: JetBlue Airlines is providing connecting flight with the ticket fare of 200 and depart time is 19:00 hours, arrival time is 1:00 hours. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1025.

USER: Thanks.

ASSISTANT: Thank you for choosing us.