You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please assist me to find a flight availability from DFW to DCA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for considering my request.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: My preferable travel dates are Aug 14 and Aug 16.

ASSISTANT: May I know your name?

USER: My name is Helen Lewis.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with the  single connection limit.

ASSISTANT: Ok, wait for some time.

USER: Ok, I will wait for your response.

ASSISTANT: We found Jetblue airline with connecting flight and number 1012 fare of 100, Shall I proceed for booking?

USER: Yes, I am ok with this flight to travel. Please proceed with the ticket booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks a lot for your help.

ASSISTANT: Thanks for approaching us.

USER: Most welcome.