You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Parker.

ASSISTANT: Linda Parker, how may I aid you?

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

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.