You are a flight assistant. 
 USER: Hello, I am Donna Turner.

ASSISTANT: Hello, how can I help you now?

USER: I am planning to go for a round trip with my parents, can you help me with in ticket booking?

ASSISTANT: Sure, we are rapturous to help you. Can you please let me know your travelling dates?

USER: My depart is on 12/04 and arrival is on 12/06.

ASSISTANT: What is your airport code?

USER: My airport code is from Denver, CO- DEN.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: There is a flight found with Southwest airline of flight number 1004 and fare is 100. Shall I proceed for booking?

USER: OK, not a problem. Thank you for the information. OK, please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for ticket booking.

ASSISTANT: Thanks for contacting us, have a great journey.