You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Scott Walker is here.

ASSISTANT: How can I help you today?

USER: For my football match, I want to go IAD. So, can you check once is there any flight from SFO?

ASSISTANT: Sure, I can help you with that. Scott, can you please help me with your travelling dates?

USER: It's 02/19 to 02/21.

ASSISTANT: Ok, let me check for the availability of flight.

USER: My price limit is 500 and connection limit is 1. So, please make sure this flight will be in my range.

ASSISTANT: Scott, there is a flight available at your requested dates with price 100.

USER: That's great.

ASSISTANT: Would you like me to proceed the booking?

USER: Please proceed my ticket booking.

ASSISTANT: Sure. Your booking is confirmed.Your flight number is 1024 and the airline is AA. Have a great journey.

USER: Thank you for my ticket booking.

ASSISTANT: You are welcome. Thank you for contacting us.