You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Nicholas Wilson. I want to attend a business meeting at Houston, can you help me out in booking?

ASSISTANT: Sure, please share me on what dates would you like to travel?

USER: My journey dates are from 07/21 to 07/23.

ASSISTANT: Do you have any restriction on halt?

USER: I need a 1 halt in my journey.

ASSISTANT: May I know your journey airport codes?

USER: My airport codes are from MCO to HOU.

ASSISTANT: Do you have any price limit for flight ticket?

USER: My price limit is 500.

ASSISTANT: Thanks for the details, sorry to inform you there is no any flight available on your journey details.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day ahead.