You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me to change my reservation to next week?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: Sure, my name is Steven Wright.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for visiting us, we hope see you again.