You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I need you to book a flight ticket. Could you help me?

ASSISTANT: Sure, can I have your travel dates please?

USER: November 19 and 21 are my planned travel dates.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I am flexible with any time.

ASSISTANT: Can I have the airport codes of your journey locations?

USER: SFO and HOU are my depart and arrival airport codes.

ASSISTANT: Ok, please provide me your specific preferences regarding airlines.

USER: I am comfortable with any flight.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight. I have to attend my client's meeting as early as possible.

ASSISTANT: May I know your good name please to proceed further?

USER: Myself Anthony Harris. That.

ASSISTANT: JetBlue airlines running a flight in your route with connection 0 and the ticket fare is 100. Shall I proceed with booking?

USER: Great! Please book the ticket.

ASSISTANT: Ok Anthony Harris, your ticket booking has done and the flight number is 1004.

USER: I am pleased with your service. Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.