You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Michelle Lopez. Can you help me booking flight from BOS to DCA?

ASSISTANT: Sure, please provide me your journey dates.

USER: My journey dates are 03/05 and 03/07.

ASSISTANT: Please wait for a minute, Lopez.

USER: OK.

ASSISTANT: I found a flight with Southwest airlines available with price 100. Shall I book the ticket for you?

USER: Ok, book it.

ASSISTANT: Your ticket is confirmed and the flight number is 1021.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.