You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I abet you?

USER: Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me out?

ASSISTANT: Sure, I am here to aid you. May I know your good name to check the reservation list?

USER: I am Rebecca  Harris.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I have checked the reservation list but could not find reservation on your name.

USER: No issues, thanks for the information.

ASSISTANT: Thank you for choosing us.