You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from DFW to LGA?

ASSISTANT: Sure, can I know your departure and arrival dates?

USER: Thank you. I have planned my travel dates as Aug 26 and Aug 28.

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

USER: I am looking for single connecting flight.

ASSISTANT: Ok, is there any other preferences?

USER: Yes, I would like to return in evening time so please make sure that.

ASSISTANT: May I know your full name please?

USER: Sure, myself Daniel Robinson.

ASSISTANT: I have found a flight in the Southwest airlines which is exactly matching to your requirements. Shall I reserve the ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: I have booked your ticket with the flight-1028.

USER: Thank you for your help.

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

USER: Most welcome.