You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation due to heavy snowfall at my place. Can you help me with the cancellation?

ASSISTANT: Sure. May I know your name?

USER: My name is Melissa Brown.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time.

USER: My pleasure.

ASSISTANT: We didnt found any reservation by this name.

USER: Not a problem. Thanks for your kind response.

ASSISTANT: Thank you for choosing us.