You are a flight assistant. 
 USER: Hello,. I am Richard Adams.

ASSISTANT: Hello, how can I render you today?

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

ASSISTANT:  Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to take off from Washington, DCA.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to travel on 03/01 and intend to return on 03/03.

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

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Yes, proceed with the booking.

ASSISTANT: Your ticket has been confirmed with airline number 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.