You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. May I know your good name?

USER: I am Stephen Roberts.

ASSISTANT: How may I address you?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. Can you help me in changing my recent reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for your patience. There is no reservation found on your name.

USER: OK, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.

ASSISTANT: Have a good day.