You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER:  I am Robert Robinson. Actually, I am planning to cancel my recent reservation, can you help me out?

ASSISTANT: Nice to meet you Robert Robinson. Sure, I here to help you.

USER: that's great.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Robert, there is no reservation found on this name. Do you want to make a new booking from us?

USER: No, thank you.

ASSISTANT: Thanks for contacting us.