You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Perez.

ASSISTANT: What can I do for you today?

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

ASSISTANT: Sure, can you please provide your departure and arrival travelling dates?

USER: I am departing on 05/15 and return on 05/17.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a flight with connection limit 1.

ASSISTANT: Ok, do you have any other preferences for this trip?

USER: I do not have any other preferences.

ASSISTANT: There is a Southwest airline with fare of 100 and a halt in between the journey and it departs at 9:00 AM and Arrive at 0:00 AM.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1001 and economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.