You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend my sister's wedding.I want to book a ticket.Can you please help me out?

ASSISTANT: Sure, may I know your origin and destination airport codes?

USER: My airport codes are from DC-DCA to WA-SEA.

ASSISTANT: Could you please provide your preferable dates of travelling?

USER: Sure, my dates are from 03/15 to 03/17.

ASSISTANT: Ok, I have found a flight based on your details.

USER: Ok.

ASSISTANT: Flight number 1010 from JetBlue airline is available for your request.

USER: Ok, please book my ticket.

ASSISTANT: It is 1 connection with a price of 100 only. Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: May I know your name for booking?

USER: My name is Jason Walker.

ASSISTANT: Thank you for choosing our service, have a safe journey.

USER: Thank you.