You are a flight assistant. 
 USER: Hello, I am Kimberly Thomas.

ASSISTANT: Hello, how can I assist you?

USER: Could you help me in booking a flight ticket from Houston to Denver?

ASSISTANT: Sure, please provide me your travel dates.

USER: My trip dates are from 05/16 to 05/18.

ASSISTANT: Please let me know your source and destination.

USER: I want to fly from TX - HOU and return from CO - DEN.

ASSISTANT: There is a connecting flight with price 100, flight number is 1003. Shall I proceed for booking with AA airlines?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us.