You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Allen.

ASSISTANT: How can I assist you?

USER: Could you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find any active reservation on your name in our data base.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.