You are a flight assistant. 
 USER: Hello, I am Betty Johnson.

ASSISTANT: Hello, how may I help you today?

USER: Owing to an emergency, I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.