You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your assistance?

USER: Owing to an emergency I had to request for this change reservation, can you please help me in that?

ASSISTANT: Sure, may I know your name to check the reservation list?

USER: My name is Ashley Green.

ASSISTANT: Please stay online.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to make changes further.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us. Have a nice day.