You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Richard Evans here.

ASSISTANT: How may I be in your favour?

USER: I am planning for a round trip from DFW to DFW, can you help me?

ASSISTANT: Ok, I am glad to assist you.

USER: Thank you.

ASSISTANT: May I know your travel dates to check for the availability?

USER: Sure, my preferable dates are from 12/04 and 12/06.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting there is a flight with 1 connection limit and the price is 100. Can I book?

USER: Yes, please.

ASSISTANT: Ok, the flight ticket is been booked. The airlines is UA. Thank you for connecting with our agency. Have a safe journey.