You are a flight assistant. 
 USER: Hello. I am Raymond Allen.

ASSISTANT: Hello, how may I aid you?

USER: I am a professor and I have to do some research on plants in Houston, so can you please help me out in booking a flight ticket from EWR to IAH?

ASSISTANT: Sure, I am here to help you with your concern.

USER: Thank you for considering my request.

ASSISTANT: Please provide me your departure and arrival dates of your journey.

USER: I would like to departure on 11/25 and arrival back after two days on 11/27.

ASSISTANT: Here is a flight with 1 stop and price is 200 in Delta airlines, can I proceed with it?

USER: Yes, that is exactly matching to my intent. You can proceed with flight ticket booking.

ASSISTANT: Your ticket has been booked with 1021 flight, have a safe flight.

USER: Thank you for your immediate help in my flight ticket booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.