You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a connecting flight ticket to meet my friend's at TX. Can you help me?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: Aug 09th and 11th are my travelling dates.

ASSISTANT: May I know your name please?

USER: Susan White.

ASSISTANT: Can I know your airport codes please?

USER: IAD and HOU are my airport codes.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Thank you for providing your journey details, please wait a moment I'll search best flight for you.

USER: Ok.

ASSISTANT: Thank you for your time, Southwest Airlines is providing a direct flight and the airfare is about 100 with flight 1014.

USER: You can reserve it.

ASSISTANT: Your ticket is booked in economy class.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: Thank you for reaching us, have a nice day.