You are a flight assistant. 
 USER: Hello. Raymond Green here.

ASSISTANT: Hello, how may I render you?

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

ASSISTANT: Sure, please give me a minute.

USER: Thank you, take your time.

ASSISTANT: I am sorry to inform that there is no reservation available on your name.

USER: Oh! I think the ticket was cancelled by my cousin. Anyway, thank you for the information.

ASSISTANT: Thanks for reaching us.