You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to modify my existing reservation as I have heard that there is a heavy rain in the destination location where I need to travel. Can you assist me with that?

ASSISTANT: I am happy to help you, may I know your name to check your reservation status?

USER: Thank you for considering my request. My name is Angela Clark.

ASSISTANT: Ok, please be on hold for sometime.

USER: Sure.

ASSISTANT: There is no reservation found on your name to change it.

USER: Not a problem with that, it might not booked properly at the time of booking. Anyways thank you for the information.

ASSISTANT: Thanks for approaching us, have a good day.