You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Debra Mitchell. I am unable to change my flight ticket from my home town, can you please change my flight ticket?

ASSISTANT: Sure, I am here to help you with changing the ticket details.

USER: Sure.

ASSISTANT: Please wait a minute while I am checking the ticket status. Sorry to inform you, there is no reservation found with your name in our system data.

USER: Ok, no issues with that one, thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.