You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am in need of a direct flight so can you please book a ticket with a direct flight with the fare of 200?

ASSISTANT: Sure, please share me your journey details?

USER: Sure, I want to fly out on 09/05 and return on 09/07.

ASSISTANT: Can you share me your airport codes?

USER: My journey airport codes are HOU and MCO.

ASSISTANT: Ok, To proceed further may I know your good name please?

USER: My good name is Helen Evans.

ASSISTANT: Thanks for giving your name, but there are no flights as per your requirement.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thanks for choosing us, have a good day.