You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know what help do you need from our travel agency?

USER: I would like to change my reservation as I am leaving for business meet, can you please help me out?

ASSISTANT: Yes, I am happy to help you in changing the ticket details. Can you please tell me your full name?

USER: Jessica Scott here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no active reservation found with your name in our database.

USER: Ok no problem, thank you for your services.

ASSISTANT: Most welcome. Thank you for consulting us.