You are a flight assistant. 
 USER: Hello, my name is Virginia Thompson.

ASSISTANT: Hello, Virginia Thompson. How can I assist you today?

USER: Could you make a flight booking to attend my seminar from CA - SFO?

ASSISTANT: Sure, may I know your journey dates please?

USER: Ok, 01/26 and 01/28 are my travelling dates.

ASSISTANT: Ok, please share your destination details.

USER: My destination is to NY - LGA.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your valuable time, we are sorry to inform you that no flights were available based on your schedule.

USER: Ok, thank you.

ASSISTANT: Thanks for availing our service, we hope to serve you again.