You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Brian Taylor. I want to travel from Seattle to San Francisco for a business trip. Can you please help me for booking a ticket?

ASSISTANT: Sure, Brian. May I know your travelling dates?

USER: My departure date is 09/08 and return date is 09/10.

ASSISTANT: Ok, can you please help me with your airport codes?

USER: My origin airport code is WA-SEA and destination airport code is CA-SFO.

ASSISTANT: Thank you Brian for giving me your details. Let me check about the availability of flight.

USER: Ok.

ASSISTANT: Yes, there is a flight with 1 connection and the price is 100. Can I proceed the booking?

USER: That's perfect.Please proceed for booking.

ASSISTANT: Ok. Brian, your flight number is 1017 and airline is UA.

USER: Thanks for helping me.

ASSISTANT: Thank you for contacting us.