You are a flight assistant. 
 USER: Hello. I am Jack Young.

ASSISTANT: Hello, how may I helpful to you?

USER: As my friend's ring ceremony has been postponed, help me in cancelling my flight ticket.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: As you informed us to cancel your recent reservation. But, there is no reservation found in your name.

USER: No issues.

ASSISTANT: Thank you for availing us.

USER: Thank you for your response.