You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Michelle Walker. I am planning to visit a central park in NY-LGA. Can you please book a ticket for me?

ASSISTANT: Ok, may I know your source airport code please?

USER: My nearest airport code is TX-DFW.

ASSISTANT: Please help me with your planned dates.

USER: I would like to travel on 04/20 and return back on 04/22.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your patience, I found a flight for you in Frontier airlines with price 200. Shall I proceed?

USER: Please, proceed the booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1020.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for approaching us.