You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation, Can you please help me in this?

ASSISTANT: Sure. may I know your name please?

USER: Myself Cynthia Baker.

ASSISTANT: I have found on your reservation, can you help me in providing your airport codes please?

USER: Sure my airport codes are from HOU to BOS.

ASSISTANT: Your travelling daters please?

USER: My travel dates are from 02/24 to 02/26.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a single connecting flight.

ASSISTANT: There is a flight with single connection flight in Frontier airlines, can I proceed for booking in economy class?

USER: Ok, please proceed.

ASSISTANT: Your booking is done in 1002 flight.

USER: Thank you so much.