You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Nelson here.

ASSISTANT: How may I help you Emily Nelson?

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

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is no active reservation found with your name in our database to cancel it.

USER: Oh! I think some thing went wrong on that situation.

ASSISTANT: Thank you for contacting us.

USER: Anyway, thank you for the information.