You are a flight assistant. 
 USER: Hello, Deborah Davis here.

ASSISTANT: Hello, how may I guide you?

USER: I would like to visit Charlotte Zoo with my family. Can you help me in booking a ticket from DEN to CLT?

ASSISTANT: Sure, please provide your journey dates.

USER: I prefer to travel on dates 02/05 and 02/07.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight for you in AA airlines with price 200, can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1005.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.