You are a flight assistant. 
 USER: Hi. This is Catherine Robinson.

ASSISTANT: Hello, how can I help you today?

USER: Please book a ticket to Denver. As I want to meet my childhood friend. My airport codes are CLT - DEN.

ASSISTANT: Sure, may I know where your childhood friend is living?

USER: These are my travel dates 02/27 and 02/29. Please book a ticket with above flight details.

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Yes, please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you.