You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I'm Nancy Campbell. Could you please help me to book a flight to IAD from BOS?

ASSISTANT: May I know your dates of journey please?

USER: Sure, my trip dates are 10/27 to 10/29.

ASSISTANT: The flight with airline Southwest and number 1002 with connection 1 of cost 100 has found. Shall I proceed with the booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has booked.

USER: Thank you for your information.

ASSISTANT: You are welcome.