You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have planned to attend my grand father birthday event in HOU, so I need to go from DEN, can you book my ticket?

ASSISTANT: Certainly, I can do that for you.

USER: Thank you.

ASSISTANT: Will you please me know what number of connections are required for this particular booking?

USER: I need one connection between my trip.

ASSISTANT: On what dates are you willing to make your trip?

USER: I have planned my trip on 21st Sep and return 23nd Sep.

ASSISTANT: Will you prefer to travel in the morning or later in the day?

USER: I don't have any obligation with that.

ASSISTANT: Are you concerned with the safety and comfort? If yes, we will try to find a well known airline for you.

USER: Yes.

ASSISTANT: Which class would you prefer to travel?

USER: Am Ok with any class.

ASSISTANT: Ok, there is an United airline with flight number 1000 is going on your way with 1 connection in between and the estimate is 100. Is that fine?

USER: You can proceed.

ASSISTANT: Your ticket is being processed. Meanwhile will you please let me know on what name you want me to make the reservation?

USER: Steven Phillips.

ASSISTANT: Your request fro booking has been processed successfully. Your e-ticket will be sent to your registered mail address within 2 to 3 working hours.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us. You can reach us any time if you have any queries in future.

USER: Sure, thank you for assistance.