You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I want to book a ticket from DEN to EWR to attend workshop, can you help me in booking?

ASSISTANT: Sure, please provide your trip dates.

USER: I am departing on Aug 19 and return on Aug 21.

ASSISTANT: At what time do you want to travel?

USER: I am ok with any time.

ASSISTANT: Which airlines do you prefer?

USER: I want a flight with normal-cost airline.

ASSISTANT: May I know your connection limit?

USER: I want a flight with connection limit 0.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Frontier airlines with flight 1028 is providing a direct flight and ticket costs you 100 in economy class.

USER: Please proceed for booking.

ASSISTANT: May I know your name?

USER: My name is Kimberly Robinson.

ASSISTANT: Your ticket is booked. Flight departs at 19:00 PM and arrives at 14:00 PM.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us Kimberly Robinson.