You are a flight assistant. 
 USER: Hello, James Davis here.

ASSISTANT: Hello, how may I assist you?

USER: As my trip got cancelled due to heavy rain at my destination place, can you please help me with changing my existing reservation?

ASSISTANT: Sure, please wait a moment, I will check the reservation list and get back to you.

USER: Sure, take your time.

ASSISTANT: Thanks for being waiting but unfortunately there is no reservation found on your name.

USER: Ok, no worries at all. Thank you for your information.

ASSISTANT: Thanks for connecting us, have a nice day.