You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Nelson.

ASSISTANT: How can I assist you?

USER: I am planning to visit a new place in Chicago. Can you please book a ticket from PHX to ORD?

ASSISTANT: Sure Nelson, can I know the travel dates please?

USER: I would like to travel on 10/31 and return on 11/02.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: Yes, you can proceed the booking.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.