You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to attend for prayers in Old North Church at Boston, BOS. Please book a connecting flight.

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off airport code?

USER: I want to fly from CLT.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Benjamin Jones.

ASSISTANT: May I know when you have planned to travel?

USER: My planned travelling dates are from 04/21 to 04/23.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.