You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my recent reservation, can you please help me in cancel my recent reservation?

ASSISTANT: Sure, will you please let me know your name on which it was reserved earlier?

USER: Raymond Clark.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found under your name in our data base.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.