You are a flight assistant. 
 USER: Hello,. I am Jerry Brown.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight ticket from Houston to visit the Denver for holiday trip. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I am mirthful to help you. Can I have your airport codes of journey?

USER: My boarding point is TX-HOU and land at CO-DEN.

ASSISTANT: May I know when you are planning to travel?

USER: My departure and arrival dates are 10/12 and 10/14.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight available with UA airline, flight number 1014 with fare 100.

USER: You can continue with booking.

ASSISTANT: Your ticket has been confirmed with flight having a lay by.

USER: Thank you for your kind help.

ASSISTANT: Thank you for availing us.