You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am James Garcia.

ASSISTANT: How can I help you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I am here to help you. Please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry we didn't find any reservation on your name. Thank you for reaching us, have a nice day.

USER: No problem, thanks for checking.