You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you please help me with cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Ok, May I know your name to proceed further?

USER: Sure, my name is Linda Lewis.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There was no reservation found on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.