You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I abet you today?

USER: I am Laura Robinson. As my friends are planning to meet my college fiends so, I also want to join them. Can you please book a ticket from San Francisco, SFO?

ASSISTANT: Sure, I am happy to help you. Do you need lay by in between your journey?

USER: I need connecting flight.

ASSISTANT: Let me know your dates of trip.

USER: My trip dates are 06/18 to 06/20.

ASSISTANT: To proceed further I need your destination airport code.

USER: Destination is New York, LGA.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience. Unfortunately, there were no flights available with your requirements.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.