You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a flight ticket from Dallas, DFW to Seattle, SEA?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My journey dates are from Feb 15 to Feb 17.

ASSISTANT: Ok, please share me your name.

USER: My name is Barbara Carter.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a way station in between my journey.

ASSISTANT: Ok, is there any other specifications?

USER: I prefer economy class flight.

ASSISTANT: Here, I found a flight for you with single connection and class is economy.

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1002 and airline is Delta.

USER: Thanks for your help.

ASSISTANT: Welcome, have a safe flight.