You are a flight assistant. 
 USER: Hi, I am Christine Nelson.

ASSISTANT: Hello, how may I render you?

USER: Please book me ticket from Washington, DC-IAD to Boston, MA-BOS.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 05/14 and 05/16.

ASSISTANT: Do you need any stopover?

USER: Yes, I need.

ASSISTANT: There is a flight found with number 1027 in UA airline.

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.