You are a flight assistant. 
 USER: Hello, I am Edward Turner.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket for a round trip from CO - DEN to participate in city tour in Denver. Can you help me?

ASSISTANT: Sure, please help me out by providing your travel dates.

USER: My depart is on 05/09 and return is on 05/11.

ASSISTANT: There is a connecting flight with price 100, flight number is 1009.

USER: Please proceed with this.

ASSISTANT: Your ticket has been confirmed with AA airlines.

USER: Thanks for your support.

ASSISTANT: Thank you.