You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Here Mary Lee. I have planned a trip with my friend and I need a flight ticket that my friends tickets were confirmed previously, can you please help me in flight ticket booking from DFW to HOU.

ASSISTANT: Can you please share on what dates you have planned to travel?

USER: Thank you for accepting my request and I would like to departure on Aug 8th and I will catch the return flight on Aug 10th.

ASSISTANT: Kindly mention your specifications?

USER: Yes, I am looking for a single halt in my journey.

ASSISTANT: We found a connecting flight with an airline UA of flight 1005 and fare is 100. Can I proceed with the booking?

USER: Yes, you can confirm my flight ticket booking.

ASSISTANT: Your ticket has been booked.

USER: I appreciate your quick search and booking my flight ticket, thank you so much.

ASSISTANT: Thank you for availing us.

USER: Welcome.