You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Frank Hall.

ASSISTANT: Frank, how may I aid you?

USER: I have to attend a felicitation ceremony at Denver. Can you help me in booking a ticket from LGA to DEN?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My preferred journey dates 06/13 and 06/15.

ASSISTANT: Please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Spirit airlines with flight 1016 is providing service on your route with a connecting flight.

USER: Please book the ticket with this airlines.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.