You are a flight assistant. 
 USER: Hello, I am Alexander Hernandez.

ASSISTANT: Hello, how can I serve you?

USER: I got an invitation as a main guest, to participate in the Bate-aux Dinner cruise, held at Philadelphia, PA - PHL. Can you help me with booking ticket from Washington, DC - IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: 06/29 and 07/01 are my travelling dates.

ASSISTANT: Do you need any other specifications?

USER: Yes, I need a connecting flight. 5000 is my fare.

ASSISTANT: There is a flight found in Spirit airline of fight number 1004 and fare is 100. Shall I proceed for booking?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for contacting us.