You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Robert Miller, can you help me to book a flight from DCA to BOS?

ASSISTANT: Kindly, mention your planned journey dates.

USER: My travelling dates are 09/10 and 09/12.

ASSISTANT: Do you have any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: How much can you afford for flight ticket?

USER: I can afford up to 200.

ASSISTANT: Thanks for your details, please wait for while.

USER: Ok.

ASSISTANT: We found a connecting flight of fare 100 with airline Delta and number 1000. Can I proceed?

USER: Proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.