You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Andrew Carter.

ASSISTANT: How can I amend you today?

USER: I would like to meet my friends on 08/06 at Las Vegas, NV-LAS.

ASSISTANT: Ok.

USER: Could you please help me with booking a direct flight?

ASSISTANT: Sure, we are glad to aid you. When are you willing to come back?

USER: I intend to return on 08/08.

ASSISTANT: Where are you heading to?

USER: My destination is San Francisco, CA-SFO.

ASSISTANT: There is a plane 1014 of AA airline with a connecting flight with the fare of 200. Shall I proceed?

USER: Yes, please proceed with booking. If it is a direct flight.

ASSISTANT: Sorry, there is no direct flight. Thank you for reaching us.

USER: Do not proceed with booking, thank you for the information.