You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me in booking my flight ticket from PHL to DFW?

ASSISTANT: Sure, I am here to assist you with the ticket booking. Can I know your planned journey dates?

USER: My trip dates will be Sep 24th to Sep 26th.

ASSISTANT: Ok, which flight do you choose either a direct flight or a connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Ok, do you need an economy class flight or a business class flight?

USER: I am ok, with any class.

ASSISTANT: May I know your name please?

USER: I am Samantha Walker.

ASSISTANT: There is a direct flight with the ticket cost is 100 in an economy class, can I reserve the ticket?

USER: You can proceed.

ASSISTANT: I have booked your ticket with the flight-1002 and the airlines name is United Airlines.

USER: Thank you.

ASSISTANT: Have a nice journey. Thank you for opting us.