You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my recent reservation, due to sudden rainfall at my source. Can you please help me with this?

ASSISTANT: Sure, I can do that for you. Can you please share your name?

USER: Sure, I am Thomas Johnson.

ASSISTANT: Ok, wait a minute I will get back to you.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Ok, Thank you.

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