You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to watch tennis match at Denver, so please book my ticket from Las Vegas.

ASSISTANT: Ok, can you please tell me your travelling dates for this journey?

USER: My trip dates are 12/10 and 12/12.

ASSISTANT: May I know your good name for your registration please?

USER: My name is Carol Evans.

ASSISTANT: What are your desired airport codes for this journey?

USER: My airport codes are LAS and DEN.

ASSISTANT: Carol Evans, there is a flight available for you with 1 connection at the price of 100. Can I book it for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked, thank you for choosing us.

USER: Thank you for your service.

ASSISTANT: Have a safe journey.