You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight in afternoon from Houston. Can you help me?

ASSISTANT: Sure, I can do that for you. Can I know your name?

USER: My name is Scott Davis.

ASSISTANT: Thank you. Can you please help me with your travel dates?

USER: I will fly on July 23 and return on July 25.

ASSISTANT: Noted. May I know your preferred airport codes?

USER: My source point is HOU and my destination is JFK.

ASSISTANT: Ok, please wait for a while. Let me check for the available flights.

USER: Sure.

ASSISTANT: Flight-1004 having single connection is available with Delta Airlines and the ticket costs you 200 only in economy class. Flight will take-off at 18:00 hours and arrives at 9:00 hours. Shall I book the ticket for you?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked successfully. Have a safe flight.

USER: Thank you for helping me.

ASSISTANT: You are welcome and thank you for choosing us.