You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need your assistance in booking my flight ticket from CLT to DEN. Can you please help me with it?

ASSISTANT: Let me know your travel dates.

USER: My trip dates will be May 16th to May 18th.

ASSISTANT: Do you have any preference?

USER: I prefer a connecting flight.

ASSISTANT: Can I know your name?

USER: I am Lisa Baker.

ASSISTANT: Direct flight is found with American airlines for price 200.

USER: You can proceed.

ASSISTANT: Ticket is booked having flight number 1006.

USER: Thank you.

ASSISTANT: Thank you.