You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: George Smith here. I would like to attend a event at San Francisco, please help me in booking a ticket from LGA to SFO.

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

USER: My planned travel dates are on Jan 14 and Jan 16.

ASSISTANT: Do you have any specifications?

USER: I would like to return in the afternoon.

ASSISTANT: May I know the connection limit for this journey?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No more specifications.

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

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.