You are a flight assistant. 
 USER: Hello, I am Barbara Carter.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit White house with my family at Washington, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, kindly provide me your travel dates?

USER: Sure, my journey dates are from 04/21 to 04/23.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are from PHL-DCA.

ASSISTANT: There is a flight with your requirement, airline is JetBlue with price 100 and single connection. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you.