You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you. Wait for some time I will check the reservations on your name and get back to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: No problem, thanks for checking.

ASSISTANT: Thanks for approaching us.