You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to meet my business partner at Houston, could you please help me to book my flight ticket from DCA to HOU?

ASSISTANT: Please let me know your travelling dates?

USER: I will depart on Dec 27th and return back on Dec 29th.

ASSISTANT: May I know your connection limit?

USER: I prefer for a flight with single connection.

ASSISTANT: May I know your name please?

USER: My name is Brenda Turner.

ASSISTANT: Here is a connecting flight with fare 200 and 1006 as flight number in United Airline. Shall I proceed with booking?

USER: Yes, please book the ticket for me.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.