You are a flight assistant. 
 USER: Hello. I am Linda Green.

ASSISTANT: Hello. How may I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I am happy to help you. Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Sorry for the inconvenience, there are no reservation found on your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us.