You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Rachel Phillips, want to cancel my recent reservation due to some personal problem. Please help me out with that.

ASSISTANT: Sure, I am glad to help you out.

USER: Thank you.

ASSISTANT: Please allow me a moment to check your name in our records?

USER: Sure, take your time.

ASSISTANT: Thank you for your patience, here there is no reservation found under your name in our records.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us. Have a great day.