You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how could I guide you today?

USER: Please book a ticket from Denver, CO-DEN to Phoenix, AZ-PHX. I am Kevin Collins.

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

USER: 10/02 is departure to 10/04 is return date.

ASSISTANT: Ok, do you have any other specifications?

USER: Flight connections limit is 1. Ticket price limit is 200.

ASSISTANT: Ok, please wait for few minutes, I will check with the availability and get back to you.

USER: Sure.

ASSISTANT: Thank you for your time. We find a flight with couple of connections. Can I proceed with booking?

USER: I need flight with connections limit 1.

ASSISTANT: Ok, thank you for contacting us, hope to serve you better next time.

USER: Thanks.