You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I help you?

USER: Help me to book ticket, I am travelling from Washington DC-IAD to visit a museum at San Francisco,CA-SFO.

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, I will fly on 08/20 and returning on 08/22.

ASSISTANT: OK, may I know your good name?

USER: Anna Robinson.

ASSISTANT: Thanks for providing your information. I found a flight ticket for you with your given details.

USER: OK.

ASSISTANT: Airline : AA, flight number 1022, with single connection price is 100. Shall I proceed for booking?

USER: It is perfect, you can proceed with booking.

ASSISTANT: OK, your booking is confirmed. Thank you, for connecting us.

USER: Thanks for booking the ticket.

ASSISTANT: Have a nice day.