You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Which help do you need from our travel agency?

USER: Can you please assist me with checking my previous booking and help me with altering my reservation now?

ASSISTANT: Sure, I am ready to assist you with that. Can I know your name please?

USER: Ok, my booking was done by the name of Pamela King previously.

ASSISTANT: Ok, I will check the status and will be back with the information about your ticket.

USER: Ok, I will be waiting for your response.

ASSISTANT: Sorry to inform you that, there is no reservation found with the name Pamela King in our system data to change the details.

USER: Oh! That's very sad to know. Anyways, thank you for checking.

ASSISTANT: Most welcome. Thank you for consulting us.

USER: You are most welcome.