You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Me and my friends planned a trip, but due to heavy rains in my destination place our trip got postponed. Can you please help me to change an existing reservation?

ASSISTANT: Sure, we are here to change your recent reservation. Kindly mention your name to change it.

USER: My name is George Edwards.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

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

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for opting our agency.