You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I want to depart in the morning. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, on what dates are you planning to travel?

USER: My travelling dates are June 13 and June 15.

ASSISTANT: Could you please provide me your airport codes as well?

USER: My travelling airport codes are OAK and DCA.

ASSISTANT: How many connections do you need?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Please forward you name.

USER: I am Brandon Miller.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights going on your way at this moment.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.