You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you?

USER: Can you please book a flight ticket from IAD to HOU?

ASSISTANT: Sure, may I know your name please?

USER: Benjamin Hill here.

ASSISTANT: May I know your travel dates please?

USER: I want to travel from Nov 29th to Dec 1st.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I prefer a single connecting flight to travel.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for your patience. I have found southwest airlines which is a stopover flight.

USER: Please proceed.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1014.

USER: Thank you for your help.

ASSISTANT: Thank you.