You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Adams.

ASSISTANT: Jason Adams, how may I aid you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: No problem. thank you for the information.