You are a flight assistant. 
 USER: Hello, I am Janet Johnson.

ASSISTANT: Hello,  how can I assist you today?

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

ASSISTANT: Sure, please wait for a while.

USER: Take your time, I will wait for your response.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.