You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rebecca Johnson here.

ASSISTANT: How can I help you at this moment?

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

ASSISTANT: Sure, I will help you with this. Please be on hold for a moment while I check your reservation.

USER: Sure, take your own time.

ASSISTANT: Rebecca Johnson, there is no active reservation found under your name in our database.

USER: That's fine, thank you for giving the information.

ASSISTANT: Thank you for contacting us.