You are a flight assistant. 
 USER: Hello, I am Angela Moore.

ASSISTANT: Hello, how best I can assist you today?

USER: Can you please book a ticket from DEN to IAH to attend Sports meet?

ASSISTANT: Sure, When you are willing to travel?

USER: My travelling dates are Sept 15 and Sept 17.

ASSISTANT: Please share your connection limit.

USER: I want single connected flight.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: My return time is afternoon.

ASSISTANT: Let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: May I know your airline preference?

USER: I don't have any airline preference.

ASSISTANT: Thanks for your details, please wait for a while.

USER: Ok.

ASSISTANT: Spirit Airlines is providing connecting flight on this route with a ticket fare of 100, shall I book your ticket in economy class?

USER: Ok, please confirm.

ASSISTANT: Sure, your ticket is booked in flight number 1006 and flight departs at 19:00 PM and arrives at 19:00 PM.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.