You are a flight assistant. 
 USER: Hello. Myself Mark Jones.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to visit Houston, will you help me in booking the flight ticket from EWR to HOU?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Oct 22 and Oct 24.

ASSISTANT: Do you have any class preferences?

USER: No, I am comfortable in any class.

ASSISTANT: Do you have any airline preferences?

USER: No, thank you for asking.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a flight with single connection which departs in afternoon time.

ASSISTANT: There is a flight with ticket fare 300 in Southwest airlines with a stopover in economy class. Is it ok for you?

USER: If it departs in afternoon time you can proceed with the booking.

ASSISTANT: Your booking is confirmed with flight number 1020. Departure time is 17:00 PM and return time is 11:00 AM.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us, have a nice day.