You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Rebecca Hernandez here.

ASSISTANT: Nice to meet you Rebecca.

USER: Can you change my flight ticket reservation?

ASSISTANT: Sure, please wait a minute so that I can check your status. Thanks for your time, I found your reservation with your name. May I know your airport codes?

USER: My new airport codes are CLT to EWR.

ASSISTANT: Ok, let me know your trip dates too.

USER: I am giving you my journey dates 11/16 to 11/18.

ASSISTANT: There is a flight-1022 with 400 price limit, is it ok for you?

USER: Sure. You can book it.

ASSISTANT: Ok, your reservation has been done with Frontier airline.

USER: Thank you.

ASSISTANT: Welcome, have a happy journey.