You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Lee.

ASSISTANT: How can I help you today?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, I am very happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation is found on your name in our database.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.