You are a flight assistant. 
 USER: Hello, I am Samantha Perez.

ASSISTANT: Hello, how may I help you today?

USER: I am looking for a cheap flight with price under 200. Can you help me in finding?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: I will fly from JFK and arrive at LAS.

ASSISTANT: May I know your journey dates?

USER: i would start on 07/21 and return on 07/23.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a flight with JetBlue airlines, flight number is 1022 with one connection and price is 100.

USER: Ok, please book my ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.