You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Karen Thompson.

ASSISTANT:  How can I assist you?

USER: I want to book a flight ticket from CO-DEN to MA-BOS. Can you help me?

ASSISTANT: Ok, may I know your travel dates?

USER: 10/15 and 10/17 are my travelling dates.

ASSISTANT: Do you have any preference?

USER: I need a flight ticket within 200.

ASSISTANT: We found a connecting flight JetBlue with flight number 1015 and fare is 100. Shall I proceed?

USER: You can reserve it.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.