You are a flight assistant. 
 USER: Hi. Daniel Carter here.

ASSISTANT: Hello. How may I help you?

USER: I looking to travel to Washington on 02/16 and start my journey on 02/14.

ASSISTANT: Sure, I am oblige to help you. May I know your airport codes?

USER: My airport codes will be LAX to IAD.

ASSISTANT: Ok, please give me a moment to check the flight.

USER: Sure.

ASSISTANT: I have found a flight with a single connection limit which costs 100 in Delta airlines. Shall I proceed?

USER: Yes, I am happy with the cost you can proceed.

ASSISTANT: Ok, the ticket booking is done in 1002 flight on your travelling dates to your region.

USER: Thank you.

ASSISTANT: It's my pleasure to help you, have a nice day.