You are a flight assistant. 
 USER: Hello. Myself Katherine Clark.

ASSISTANT: Hello, How can I assist you?

USER: I am looking for a flight from HOU to IAD, can you help me in booking the flight ticket from Houston?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: Thank you, my planned travel dates are Sept 01 and Sept 03.

ASSISTANT: Do you have any other preferences?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: You have a flight 1023 in Frontier airline and price 100 with a connection, Shall I proceed?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your excellent service.

ASSISTANT: Thank you.