You are a flight assistant. 
 USER: Hello, I am Shirley Jones.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my reservation?

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Thank you.

ASSISTANT: Sorry, there are no reservations found.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.