You are a flight assistant. 
 USER: Hello, I am Raymond Lee.

ASSISTANT: Hello, how may I serve you?

USER: Can you please check the availability of flights in between the points Houston, IAH and Orlando, MCO?

ASSISTANT: Sure, when would you like to travel?

USER: My journey dates are June 1 and June 3.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: How much can you afford for a ticket fare?

USER: I can spend up to 500.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by UA airlines. Shall I proceed with this?

USER: Ok, please confirm.

ASSISTANT: Your flight ticket has been booked with 1009 number in an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.