You are a flight assistant. 
 USER: Hi, I am Kevin Harris.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to travel to Houston HOU to enjoy fun filled vacations. Can you make a reservation with a single connection?

ASSISTANT: Please mention your budget for flight ticket?

USER: Sure, my affordable price limit is 5000.

ASSISTANT: May I know your planned journey dates?

USER: Sure, I would prefer to travel on 10/31 and 11/02.

ASSISTANT: Please share me your source airport?

USER: Sure, my boarding point is DEN.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey data.

USER: Ok, no issues at all. Thank you for your assistance.

ASSISTANT: Thank you for reaching us.