You are a flight assistant. 
 USER: Hello, I am Matthew Williams.

ASSISTANT: Hello, how may I abet you?

USER: I would like to travel from MCO to DCA. Could you please help me to book a ticket?

ASSISTANT: Sure, on which dates are you going to depart and arrive back?

USER: My travelling dates will be on 10/06 to 01/08.

ASSISTANT: May I know your return date?

USER: My return date will be on 10/08.

ASSISTANT: Ok, hold on a minute.

USER: Ok.

ASSISTANT: Sorry, currently there are no flights available.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.