You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Pamela Smith. I would like to cancel my reservation, could you help me out?

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: There is no reservation found under your name.

USER: That's ok. Thank you for your time.

ASSISTANT: Most welcoem.