You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jack Wilson here.

ASSISTANT: How can I assist you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure Jack, please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for approaching us.