You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I am Donald Allen, and I want to book a flight reservation.

ASSISTANT: Sure, may I know your travelling details?

USER: Sure, I would prefer to travel from Houston TX - HOU to Denver CO - DEN. And my dates of travelling are from 09/02 to 09/04.

ASSISTANT: OK, may I know your price limit?

USER: And I would prefer a single connection and price limit 200.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a ticket for you with your details. Flight number is 1023 and airline : Southwest with single connection, price is 100. Shall I proceed booking?

USER: Yes, you can proceed.

ASSISTANT: OK, your booking is confirmed. Thank you, for connecting with us.

USER: Thanks for your assistance.