You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Gregory Phillips.

ASSISTANT: By which way may I help you out?

USER: I just want to cancel my recent reservation due to bad weather I fallen sick.

ASSISTANT: Ok.

USER: Can you help me in cancellation?

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for being patience. You have no reservation found with your name.

USER: Thank you for your kind information.

ASSISTANT: Thank you for opting us.