You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Lee.

ASSISTANT: How may I render you at this moment?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time, let me check with your recent reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: That's ok, no problem. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.