You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Cynthia White.

ASSISTANT: Ok.

USER: Can you help me in booking the ticket from 03/31 to 04/02.

ASSISTANT: Ok, may I know your source and destination codes of your journey?

USER: My airport codes are ATL and DEN.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: As per your requirement, there is a flight ticket with 1027 flight number and price is 300. Shall I proceed?

USER: That's good, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.