You are a flight assistant. 
 USER: Hello, I am Jack Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to cancel my ticket due to an emergency. Can you help me?

ASSISTANT: Sure, hold on for a moment. Sorry Garcia, there are no flights reserved on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.

USER: Welcome.