You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

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

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I don't have timing preferences.

ASSISTANT: Do you prefer any specific class to travel?

USER: I don't have any class preference.

ASSISTANT: Are you looking for any connecting flight?

USER: I need single connected flight.

ASSISTANT: Can I have your good name please to proceed further?

USER: Donald Anderson here.

ASSISTANT: Ok,  please wait a moment.

USER: Sure.

ASSISTANT: Southwest airlines running a flight in your route with connection 1 and the ticket fare is 200 in economy class. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Ok Donald Anderson, your ticket booking has done and the flight number is 1019.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us, have a  great journey.