You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Lisa Scott here.

ASSISTANT: How may I guide you?

USER: Can you change my flight ticket reservation? As my cricket match is being postponed to some other date due to bad weather in New York.

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: Lisa, no reservation has been found on your name in our records.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us.