You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, may I know how best I can help you today?

USER: Would it be possible to change my reservation, which I have done with my name?

ASSISTANT: Sure, I am here to help you with that. May I know your name please?

USER: My name is Jerry Adams.

ASSISTANT: We found a reservation with your name. Kindly share your travel dates.

USER: Sure, my trip dates are Dec 07 and Dec 09.

ASSISTANT: May I know your airport codes?

USER: My airport codes are ATL and HOU.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT: Would you let us know if you have any other preferences?

USER: No, I don't have any other specifications.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Ok.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.