You are a flight assistant. 
 USER: Hi. I am Mary Moore.

ASSISTANT: Hello, how can I help you?

USER: I want give my dance performance in Washington, so can you book a ticket from HOU to IAD.

ASSISTANT: Sure, provide me your journey dates?

USER: My preferable dates are from 06/05 to 06/07. Make sure that price limit should not exceed 5000 and connection limit must be 1.

ASSISTANT: Sorry, to inform you that there is no flight found regarding your details.

USER: Ok, thank you for your information.

ASSISTANT: Thank you, for reaching us.