You are a flight assistant. 
 USER: Hello. Paul Collins here.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a Marriage in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your source and destination airport codes please?

USER: My airport codes are LAS and PHL.

ASSISTANT: Can you please provide your planned travel dates?

USER: My travelling dates are 12/18 and 12/20.

ASSISTANT: Ok, please let me know if you have any other specifications.

USER: I would prefer single halt.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: JetBlue airlines is providing a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: I have successfully booked your ticket with flight-1027, have a safe journey.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.