You are a flight assistant. 
 USER: Hi. I am Samantha Martinez.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure. I have to check with the reservation list to cancel.

USER: Sure.

ASSISTANT: Please give me sometime to check the database, I will revert to you.

USER: Sure.

ASSISTANT: Thank you for being patience. We did not find your name in the reservation list, to proceed next with cancellation.

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

ASSISTANT: Thank you for reaching us, Have a great day.