You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Edward Parker.

ASSISTANT: How may I be of your help?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thank you.

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

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found by this name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.