You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from SFO to LGA, can you help me?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your trip dates?

USER: My travel dates are 07/10 and 07/12.

ASSISTANT: May I know your name please?

USER: I am William Clark.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I want to depart in the morning.

ASSISTANT: Do you have any other criteria?

USER: I prefer a connecting flight.

ASSISTANT: There is a flight with United Airlines and the ticket fare is 200. Would you like me to make the booking now?

USER: Yes, please.

ASSISTANT: Your ticket is reserved in economy class with the flight-1020. Your depart time is 6:00 hours and again your arrival time is 21:00 hours.

USER: Thank you for booking.

ASSISTANT: Thank you very much for contacting our agency.