You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to book a ticket from MCO to IAD. Can you please help me out?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I am planning to travel on July 20 and return back on July 22.

ASSISTANT: Can you please share your connection limit?

USER: I am ok with any connection.

ASSISTANT: May I know your name please?

USER: My name is Edwards Lopez.

ASSISTANT: Is there any other specifications?

USER: I am looking for a economy class.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Edwards Lopez, there are no flights available in your route.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for choosing us.