You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Turner.

ASSISTANT: How may I guide you today?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no reservation found under your details.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for contacting us.