You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Adams here.

ASSISTANT: How can I assist you?

USER: I need to attend an event which is conducted by my friends in Detroit. Can you please help me for booking the flight ticket?

ASSISTANT: Lisa Adams, may I know your travelling dates please?

USER: My departure date is 11/20 and return date is 11/22.

ASSISTANT: Ok, wait. May I know your airport codes?

USER: My airport codes are from DEN to DTW.

ASSISTANT: Flight-1002 is available for you with 1 connection at the cost of 300. Can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is confirmed, thank you for reaching us.

USER: Thanks for helping me.

ASSISTANT: Have a safe flight.