You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kevin Jones.

ASSISTANT: How can I help you?

USER: Would it be possible to change my recent reservation?

ASSISTANT: Sure,  I will help you in that one.

USER: Thank you.

ASSISTANT: Please give me some time to check it.

USER: Sure, take your time.

ASSISTANT: I am happy to say that you reservation is found, may I know your trip dates that you have planned?

USER: Sure, my travel dates are from 03/17 and 03/19.

ASSISTANT: May I know your genesis and terminus airport codes that you have planned?

USER: Ok, my airport codes are SFO to CLT.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Frontier airlines in the flight 1006. Shall I proceed with this?

USER: Ok, please proceed.

ASSISTANT: Ok, the flight ticket booking is successfully done.

USER: Thanks for your quick response and service.

ASSISTANT: It's my pleasure to help you and thank you for reaching us.