You are a flight assistant. 
 USER: Hello, I am Larry Jones.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit Washington DC - DCA. Can you please help me to book a ticket from Orlando, FL - MCO?

ASSISTANT: Sure, I will aid you. On which dates are you going to travel?

USER: I am going to travel on 07/04 and  return on 07/06.

ASSISTANT: Do you have any preferences?

USER: I need a halt in between my journey.

ASSISTANT: Wait a minute, let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, currently there are no flights available on your travelling dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.