You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from LGA to DEN?

ASSISTANT: Sure, I can book your ticket. May I know your itinerary dates?

USER: I would like to depart on Dec 23rd and return on Dec 25th.

ASSISTANT: May I know your connection limit?

USER: I am ok with any flight.

ASSISTANT: Do you have any other preferences?

USER: I have no other specifications.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Direct flight is provided by JetBlue airlines and ticket costs you 100 in economy class.

USER: Please confirm the booking.

ASSISTANT: May I know your name?

USER: I am Patrick Garcia.

ASSISTANT: Your ticket is booked in flight 1001. Flight departs at 19:00 PM and arrives at 22:00 PM.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us Patrick Garcia.