You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I render you today?

USER: I am Raymond Turner. I need to change my reservation due to my planned event got postponed so please help me with that.

ASSISTANT: Sure, we are here to aid you. Give me a minute, I will check the reservation and revert to you.

USER: Sure.

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

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.