You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I assist you today?

USER: I am Edward Martin.

ASSISTANT: Nice to meet you.

USER: I want to cancel my reservation, help me in that?

ASSISTANT: Sure, I will help you with that. Please give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: That's ok. Thank you..

ASSISTANT: Welcome, have a great day.