You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Washington-DC, could you please book my flight ticket from SEA to IAD?

ASSISTANT: Sure, let me know your trip dates?

USER: I have to depart on Feb 14th and return back on Feb 16th.

ASSISTANT: Do you have any connection limit?

USER: I only prefer for a connecting flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Linda Hernandez.

ASSISTANT: We found a connecting flight 1010 in United airline with fare 100 and class is economy. Shall I proceed?

USER: Happy to hear that, you can book the ticket for me.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for availing us.