You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your good name please?

USER: I am Samuel Anderson.

ASSISTANT: Ok, how can I support you today?

USER: I want to explore new things about Hilary Duff a famous singer at Houston, can you help me to book a flight ticket with in the price limit 200?

ASSISTANT: Sure, can you please mention when do you plan to travel?

USER: I will depart on 01/20 and I intend to return on 01/22.

ASSISTANT: May I know your source and destination airport codes?

USER: I would like to start from Washington DC-DCA and my destination is TX_HOU.

ASSISTANT: Is there any preferable connection limit?

USER: The connection limit should be one.

ASSISTANT: Ok, give me a minute. I will check and get back to you.

USER: Sure.

ASSISTANT: Thank you for being patient. We found a airline according to your details.

USER: Can I know the flight details?

ASSISTANT: Spirit airline, flight number 1014 and price is 100.

USER: That's perfect, you can book the ticket.

ASSISTANT: Your booking has been confirmed with Spirit airline.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us.