You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Justin Martin.

ASSISTANT: Can you please let me know how may I help you?

USER: I need to book a flight ticket from MCO to DCA, Can you please help me for booking?

ASSISTANT: Sure, I will help you with the ticket booking.

USER: Thank you.

ASSISTANT: Can you please tell me your departure and arrival dates?

USER: I would like to travel on 04/04 to return on 04/06.

ASSISTANT: Ok, do you need any other requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry to inform you that, there are no flights available in this route on the dates you have mentioned.

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

ASSISTANT: You are most welcome. Thank you for reaching our travel agency.