You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Dennis Thomas, I am going to Washington DC for vacation with my family. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your travel dates?

USER: I will fly on 07/30 and return on 08/01.

ASSISTANT: May I know your airport codes?

USER: My source point is MA-BOS and destination is DC-DCA.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1004.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your support.

ASSISTANT: Thank you.