You are a flight assistant. 
 USER: Hi. I am Thomas Thompson.

ASSISTANT: Hello, how can 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 give me a minute.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found with your given name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.