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

ASSISTANT: Hello, how may I abet you?

USER: Owing to an emergency I want to cancel my recent reservation. Can you help me out in cancelling my ticket?

ASSISTANT: Sure, let me check and get back to you.

USER: Sure.

ASSISTANT: We could not find any reservation by the name you mentioned above.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.