You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicole Williams.

ASSISTANT: How can I assist you?

USER: I want to attend a meeting in Phoenix. Can you book a ticket from LGA to PHX?

ASSISTANT: Sure, may I know your journey dates please?

USER: I want to fly on 02/20 and 02/22.

ASSISTANT: Delta airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked with flight-1029, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you so much for choosing us.