You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Please book a flight ticket from SFO to LAX.

ASSISTANT: I am glad that you have contacted us. I will help you.

USER: Thank you.

ASSISTANT: Please help me with your planned travelling dates.

USER: My trip dates are 05/21 and 05/23.

ASSISTANT: Please help me with your name.

USER: Timothy Garcia here.

ASSISTANT: Do you need a break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: We have a connecting flight operated by United Airlines with a fare of 200 only. Shall I book the flight ticket?

USER: Yes, please.

ASSISTANT: I have booked the ticket in flight-1000. It departs at 4:00 hours and arrives at 3:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.