You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jacob Martin here.

ASSISTANT: How can I help you?

USER: I am planning my birthday celebration in Las Vegas. So can you book a flight ticket?

ASSISTANT: Sure, I can help you in finding a flight for you. Can you please mention your travel dates?

USER: My travelling dates for journey are 09/09 to 09/11.

ASSISTANT: Your airport code please?

USER: Sure. My airport codes for boarding the flight are IAD to LAS. I am looking for a connecting flight.

ASSISTANT: There is a single connection flight in Jet blue airlines, can I proceed for booking it cost you 100?

USER: Sure, I am ok with the flight ticket fare.

ASSISTANT: Your booking is done in 1025 flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.