You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Benjamin Lee.

ASSISTANT: How can I help you?

USER: I would like to meet my children, As they are staying at hostel in Washington. So, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please provide your trip dates?

USER: I will start my journey on 02/14.

ASSISTANT: Ok.

USER: I will return back on 02/16.

ASSISTANT: Help me with your journey codes?

USER: My source airport code is Seattle, WA - SEA. My destination airport code is Washington, Dc - DCA.

ASSISTANT: I found a flight from Delta airline of fare 100 and flight number 1017 having a single connection. Shall I make it confirm?

USER: Proceed with my booking.

ASSISTANT: Your flight booking is processed.

USER: Thank you for your help.

ASSISTANT: Thanks for communicating with us.