You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to schedule my trip to visit Houston this weekend. Can you please help me in reserving the ticket from DEN to HOU?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I am willing to drop-off Aug 23 and again I will be return back on Aug 25.

ASSISTANT: May I know your connection limit?

USER: I am flexible with single connection.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airlines with flight 1011 is providing a connecting flight and ticket costs you 400 in business class.

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: May I know your name?

USER: Myself Charles Hernandez.

ASSISTANT: Your ticket is confirmed Charles Hernandez. Flight departs at 17:00 PM and arrives at 10:00 AM.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.