You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May, I know your name?

USER: John Thomas.

ASSISTANT: Can I get your travelling details?

USER: I need to attend my sister's marriage would like to reserve a ticket from Orlando, FL - MCO to Denver, CO - DEN. My trevelling dates will be on 11/18 to 11/20.

ASSISTANT: Is there any price limit and connections?

USER: Price limit should be 500 with single connection.

ASSISTANT: There is a flight with no connections with price 100. Shall I proceed?

USER: Do not proceed for booking. Thank you.