You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you share the name on which reservation was done?

USER: I am Patricia Lewis.

ASSISTANT: Sorry, no reservation found with your name in our portal to cancel it.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.