You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Daniel Phillips here.

ASSISTANT: How can I assist you at this moment?

USER: I have planned for a round trip to visit the best places in Dallas, can you please help me out with booking of a flight ticket?

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

USER: Thank you. Sure, I am willing to travel on 05/08 and please book my return ticket on 05/10.

ASSISTANT: Ok, please let me know airport codes too.

USER: Sure, I want to travel from DFW to DFW.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Yes, there is a flight in Frontier airlines with connection 1 and price 100, is it ok for you?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Ok Daniel Phillips, I have confirmed a ticket with flight number 1000.

USER: Thank you for your help.

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