You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please help me out in booking the ticket from SFO to LGA.

ASSISTANT: Sure, may I know the planned travel dates?

USER: My trip dates will be Oct 2 to Oct 4.

ASSISTANT: Please provide me the specifications.

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Mathew Harris is my name.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.