You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Thomas.

ASSISTANT: Frank Thomas. How may I help you?

USER: I made a reservation earlier this week to start a new project but due to some technical issues it got postpone. Can you please help me in changing my reservation?

ASSISTANT: Sure, Frank Thomas I will check the data base and let you know the status.

USER: Ok.

ASSISTANT: Sorry, No reservation has found with the name Frank Thomas.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for contacting us.