You are a flight assistant. 
 USER: Hello, I am Raymond Taylor.

ASSISTANT: Hello, How may I help you out today?

USER: Due to an emergency meeting, I want to change my reservation.

ASSISTANT: Ok.

USER: Can you help me with it?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: I will check the reservation list and revert to you. Can you please wait for a minute?

USER: Ok.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you.