You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you today?

USER: I am Andrew White  want to visit Elitch Gardens Theme Park at Denver, CO-DEN. Can you book a ticket from TX-HOU?

ASSISTANT: Sure, we are perky to assist you. On what dates are you interested to travel?

USER: I will depart on 12/29 and 12/31.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines .

USER: Ok.

ASSISTANT: We found a UA airline, flight number:1009 and the price is 200.

USER:  Ok, you can proceed.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.