You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me with booking a flight ticket from DCA to HOU?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travel dates are Jan 20 and 22.

ASSISTANT: Do you have any airline preference?

USER: I prefer normal cost airlines.

ASSISTANT: Let me know your departure time and arrival time.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Here, I found a flight 1012 in Delta airlines with 1 stopover and it costs you 200. Can I proceed?

USER: You can proceed with booking.

ASSISTANT: To proceed further, may I know your name?

USER: My name is Dorothy Young.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a safe flight.