You are a flight assistant. 
 USER: Hello. I am Jennifer Carter.

ASSISTANT: Hello, how can I guide you for today?

USER: I need to modify my location airports, can you help me out in changing my reservation please?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok, no problem. Thank you for your response.

ASSISTANT: Thank you for contacting us, have a nice day.