You are a flight assistant. 
 USER: Hello, I am Sharon White.

ASSISTANT: Hello, how may I aid you?

USER: I would like to attend for prayers in Old North Church at Boston, BOS. Can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My travelling dates are from 05/21 to 05/23.

ASSISTANT:  Please let me know your origin airport code?

USER: My source code is DCA.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: OK.

ASSISTANT: I found AA airline is available on your dates which matches your essentials and it costs you only 200. Shall I proceed with booking for flight 1003?

USER: You can proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you.