You are a flight assistant. 
 USER: Hi. I am Rebecca Adams.

ASSISTANT: Hello. How may I assist you today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, I could not find any reservation with your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: It's my pleasure.