You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from SFO to LGA, Can you please help me for booking?

ASSISTANT: Sure, please share your planned travel dates?

USER: I would like to travel on 10/24 to return on 10/26.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: I need a depart time in the evening.

ASSISTANT: Can I have your name please?

USER: Sharon Green here.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.