You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Reserve me a flight ticket with my name Larry Taylor, to reach San Francisco with a connecting flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: Sure, I want to reach Lombard Street on 02/12, so I need to start on 02/11. I intend to return on 02/13.

ASSISTANT: Please share your boarding and landing points?

USER: My boarding point is Charlotte, NC - CLT and landing is at San Francisco, CA - SFO.

ASSISTANT: Thank you for your details. I hardly tried to find a flight for you, but there are no flights available with the given information.

USER: That's ok, you have done a great job. Thanks for your kind information.

ASSISTANT: Thank you for contacting us, have a great day.