You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: As my tour got postponed due to heavy rain at our destination point, can you help me with changing my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, my name is Charles Brown.

ASSISTANT: Pleas wait for moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry there is no reservation found on your name.

USER: Ok no problem, may be it was not reserved properly. Thank you for your information.

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