You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you?

USER: Due to an emergency, I want to change my reservation. Can you help me?

ASSISTANT: Sure, I am here to help you. Could you please provide your name to check your previous reservation status?

USER: James Edwards here.

ASSISTANT: Please wait for a while, I will check the reservation list and revert to you.

USER: Ok.

ASSISTANT: Sorry we couldn't find any reservation on your name.

USER: No problem, Thank you.

ASSISTANT: Thanks for approaching us.