You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Adams.

ASSISTANT: How can I assist you?

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

ASSISTANT: Please wait.

USER: Sure.

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

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.