You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

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

ASSISTANT: Sure. can I know your name?

USER: My name is Eric Williams.

ASSISTANT: There is no reservation found on your name.

USER: No problem, Thanks for your assistance.

ASSISTANT: Thank you.