You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you today?

USER: My name is Matthew Williams. I would like to book a ticket from BOS to DCA.

ASSISTANT: Sure, when are you planning to start and return on?

USER: My itinerary travel dates are May 08 and May 10.

ASSISTANT: Do you need a connecting flight?

USER: I would like to travel by single connection flight and depart time should be in the evening.

ASSISTANT: We found a connecting flight 1004 in Spirit airline which is a economy class.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you.