You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want have business trip to Dallas. Can you help with the flight ticket.

ASSISTANT: Sure, please provide your journey codes.

USER: Sure, I had planned a round trip so my source and destination code is DFW.

ASSISTANT: May I know your good name?

USER: My name is Angela Thomas.

ASSISTANT: Do you need any connection within your journey?

USER: Yes, Please make sure there is a connecting flight.

ASSISTANT: May I know your travelling dates?

USER: Ok, my journey dates are 04/17 and 04/19.

ASSISTANT: Thank you for the information, we found a flight with number 1006 and Spirit as airline. The cost of the ticket is 100. Shall I go with booking?

USER: Yes, thank you so much for booking a flight with Spirit airline.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.