You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, your good name please?

USER: I am Dorothy Parker.

ASSISTANT: Hello Dorothy, how can I amend you now?

USER: I need to book a ticket to meet mu colleagues from HOU to DTW. Could you please help me in doing that?

ASSISTANT: Sure, help me with you price limit?

USER: As I am more enough, I can pay up to 5000.

ASSISTANT: Ok, on which dates you want me to book your ticket?

USER: My preferable dates are 01/06 and return on 01/08.

ASSISTANT: Sorry for the inconvenience caused, we couldn't provide flights on your specified route. Thanks for communicating with us, have a good day.

USER: Ok. No problem. Thank you for your information.