You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Timothy Johnson this side, I am going to outing with my colleagues to MCO, can you book me a ticket?

ASSISTANT: Sure, may I know the travel dates please?

USER: I am planning to travel on 05/23 and 05/25.

ASSISTANT: Ok, may I know the source airport code please?

USER: My source airport code is IAH.

ASSISTANT: Ok, hold on for a moment.

USER: Ensure that connection limit is 1.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Please proceed if it's fare is under 500.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a safe flight.