You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Angela Parker. Can you change my flight ticket reservation? As my football match is being postponed due to bad weather in New York.

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.