You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Debra Turner.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment I will check the reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found by this name.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for approaching us.