You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be in your service?

USER: I am Donna Phillips, want to travel from SEA to DCA. Can you please help me in ticket booking?

ASSISTANT: May I know the travel dates to check the flights availability?

USER: My travelling dates are from 07/16 to 07/18.

ASSISTANT: Thank you for waiting, there is a flight available with 1 connection limit and the airfare is 100. Can I book?

USER: Yes, you can book this.

ASSISTANT: Ok, the flight ticket is been booked. The flight is 1020 which is of airlines UA. Thank you for connecting with our agency.

USER: Thank you so much.