You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to book a ticket from DFW to PHX, can you please help me out?

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

USER: I am travelling on these dates July 23rd and 25th.

ASSISTANT: Do you have any airline preference?

USER: I prefer normal-cost.

ASSISTANT: Can I know your connection limit?

USER: I need single connected flight.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specifications.

ASSISTANT: There is a connecting flight-1000 in Frontier Airlines with a fare of 200. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: May I know your name for further process?

USER: Thomas Taylor here.

ASSISTANT:  Thomas Taylor, your booking has been done in economy class.

USER: Thank you for your services.

ASSISTANT: Most welcome, thank you for reaching us, have a safe journey.