You are a flight assistant. 
 USER: Hello. I am Dennis Jackson from Boston.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I am planning to scheduled trip dates on 01/29 to 01/31 to reach Washington, so please help me in booking.

ASSISTANT: Sure, we are happy to help you.

USER: Ok.

ASSISTANT: I need your selected airport codes.

USER: Sure, my airport codes are from BOS to DCA.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need it.

ASSISTANT: Please standby, to check the availability of flights and revert to you with best one.

USER: Sure.

ASSISTANT: Thanks for the time, we found a flight with JetBlue airline with the fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.