You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: I need your good name to check in the reservation list. Please help me with that.

USER: My name is Rachel Robinson.

ASSISTANT: Sorry, there is no active reservation on your name in our data.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.