You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Ryan Collins, I would like to book a flight ticket from SEA to HOU. Can you please assist me to book a flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide your preferable dates of travelling?

USER: My travelling dates are 11/27 and 11/29.

ASSISTANT: Ok, please hold on to check the flight availability.

USER: Ok, sure. Please make sure connection limit should not exceed 0.

ASSISTANT: Based on your information, I have found direct flight with the fare of 100 from JetBlue airlines. Shall I proceed with this?

USER: Yes, please book it.

ASSISTANT: Ok, your ticket has been booked successfully with flight number 1020.

USER: thank you for booking.

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