You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing an emergency I had to request for this cancellation. Can you please help me in that cancellation?

ASSISTANT: Sure, we are here to help you. Let me know your name to cancel your reservation?

USER: I am Elizabeth Thomas.

ASSISTANT: There were no reservation found under your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.