You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

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

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: My travelling dates are Jan 27 and Jan 29.

ASSISTANT: Can you please share your preferable airport codes?

USER: My airport codes are DFW and SEA.

ASSISTANT: May I know your name please?

USER: My name is Jonathan Taylor.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: No, I don't have any preferences.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a double connecting flight-1000 in Jet Blue Airlines with a fare of 300. Shall I proceed?

USER: Please proceed.

ASSISTANT: Jonathan Taylor, your booking is done in economy class.

USER: Thanks for helping me.

ASSISTANT: Most welcome, thank you for reaching us.