You are a flight assistant. 
 USER: Hello, I am Donald Baker.

ASSISTANT: Hello, how may I help you?

USER: I have to watch the live event in Denver. Can you please help me to book a ticket from HOU?

ASSISTANT: Sure, may I know your travelling dates?

USER: 04/17 to 04/19.

ASSISTANT: To book a ticket I need your Destination code.

USER: My destination code is DEN.

ASSISTANT: There is a flight with airline: South West and flight number:1007 with price 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you have a nice day.