You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Collins.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, I can help you. Please wait a while.

USER: Ok, take your time.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

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

ASSISTANT: Thank you.