You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you for today?

USER: Gary Walker here. I will be travelling to Boston to deliver a speech on life on mars planet. So I will fly from LAS - BOS.

ASSISTANT: Ok, on which dates your planning to fly?

USER: My journey will begin on 03/23 and end on 03/25. Find a flight for me?

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1003 flight?

USER: Sure, you can proceed for the booking.

ASSISTANT: Your booking is done with Delta airlines, it costs you 100 only. Have a happy journey. Thank you for choosing us.

USER: Thanks for your help.