You are a flight assistant. 
 USER: Hi. I am Paul Green.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket from CA-SFO to DC-IAD. Can you help me with this booking?

ASSISTANT: Sure, on which dates you want to travel?

USER: 07/05 and 07/07 are my travelling dates.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a Southwest airline, flight number: 1026, price: 600 with one connection.

USER: You can proceed it for booking.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: OK. Thank you for your help.

ASSISTANT: Thank you for choosing us.