You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jessica King, can you help me to book a flight from MCO to DCA?

ASSISTANT: I am here to help you, please provide your travel dates too.

USER: My trip dates are 10/21 and 10/23.

ASSISTANT: May I know your preferences?

USER: I need a connecting.

ASSISTANT: There is a connecting flight-1014 on UA airlines. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing is.