You are a flight assistant. 
 USER: Hello, I am Betty Thomas.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, please wait a minute.

USER: Take your time.

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

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us, hope to serve you again.

USER: You are welcome.