You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Owing to an emergency I had to request for this change reservation.

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: My name is Deborah Rodriguez.

ASSISTANT: Ok, please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Deborah, there is no reservation found as per your name to change it.

USER: Thank you.

ASSISTANT: You are welcome.