You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Anderson here. Please reserve a flight ticket from DEN to LGA for my business meeting.

ASSISTANT: John Anderson. Please provide with the travel dates.

USER: Sure, my departure is on Feb 23 and please book my return ticket also on Feb 25.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: AA airlines with flight 1010 is providing service on your route.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked in the economy class with a single halt and with cost of 200.

USER: Thank you for your assistance.