You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now for today?

USER: I want to do some research work in NASA which is in Houston, can you please assist me in booking a flight ticket?

ASSISTANT: That's good, I will assist  you with that.

USER: Thank you for considering my appeal.

ASSISTANT: Can you please mention the preferable dates of your journey?

USER: I want to start my journey on 06/05 and return on 06/07.

ASSISTANT: Sure, can you please mention the takeoff and landing airport codes of your journey?

USER: My take off airport code is LAX and landing airport code is IAH.

ASSISTANT: Thank you for your information, may I know your name please for booking purpose?

USER: I want to book a ticket in the name of Joseph Hill.

ASSISTANT: Please give me a moment to check the best flight availability.

USER: Sure, I will wait for your response but come with best flight details.

ASSISTANT: Thank you for waiting, Hawaiian airline is one of the best airline providing a service on your route with the price of 200. Shall I  Proceed with this booking?

USER: I have heard that Hawaiian airline gives the best service, you can proceed with the booking.

ASSISTANT: Your ticket has been booked with the flight number 1024, have a safe journey.

USER: I appreciate your help for confirming my ticket.

ASSISTANT: Thank you for approaching us, have a great day.

USER: You are welcome.