You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I'm Nicole Lopez.

ASSISTANT: Yes, Lopez.

USER: Due to severe health issue, my family doctor has prescribed me not to do journeys. Can you please cancel my recent booking?

ASSISTANT: Sure, give me a moment. Let me check the reservation on your name.

USER: Please go ahead.

ASSISTANT: Sorry Lopez, no reservation found on your name.

USER: That's ok, may be I have done a wrong booking. Thank you anyways.

ASSISTANT: Ok, thank you for reaching us.