You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Timothy Johnson here.

ASSISTANT: Johnson, how may I assist you today?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, I am happy to help you, wait for a moment please to check your reservation status.

USER: Thank you, take your time.

ASSISTANT: Sorry Johnson, no reservations with your name.

USER: Oh, I think my cousin had cancelled my reservation. Anyways, thank you for the information.

ASSISTANT: My pleasure, have a joyful day.

USER: Welcome.