You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Hall.

ASSISTANT: How can I assist you?

USER: I need to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure, I will help you. Please, wait a while.

USER: Thank you. Sure.

ASSISTANT: Thanks for your time, I could not find any reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.