You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I need to change my current reservation due to urgent meeting, can you help me with that?

ASSISTANT: Sure, I will help you in amending the reservation. Please provide me the name to check for the status.

USER: I am Jerry Thompson.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: That's ok.

ASSISTANT: We are sorry to inform you that, we did not find any reservation on your name in our database to amend it.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for reaching us.