You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am facing an issue in my office due to some important meeting that is going to be held, so I would like to change my previous flight ticket reservation, can you please help me in changing?

ASSISTANT: Sure, I will help you with that. Will you provide the name for checking the reservation?

USER: Thank you for accepting my request and I have reserved the flight ticket on my name Alexander Davis.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

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

ASSISTANT: Welcome, have a great day.