You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I help you today?

USER: I am Charles Davis and I want to book a flight ticket from DC-IAD to TX-HOU to participate in NBA tournament.

ASSISTANT: Sure, may I know your journey dates?

USER: My preferable journey dates would be on 05/10 to 05/12.

ASSISTANT: Thank you, for providing details, we found an airline: UA, with flight number: 1000 with a single connection and price is 100.

USER: Ok, you can proceed with this airline.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you, for choosing us. Have a safe journey.