You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Kathleen King here. I want to travel from Denver to Seattle for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure Kathleen King, I will help you with that. Can I have your travel dates please?

USER: My travelling dates are from 10/19 to 10/21.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: My airport codes are from DEN to SEA.

ASSISTANT: Ok Kathleen King, please wait a moment to check flight availability.

USER: Ok, I will wait.

ASSISTANT: I have found a flight with connection 1 and price 100 in AA airlines. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Kathleen King, your booking has done with flight number 1026.

USER: Thanks for helping me.

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