You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is John Martinez. I would like to visit my friend's house at Seattle. Can you help me in booking a ticket from BOS to SEA?

ASSISTANT: Sure, I can help you with that. Can you please help me with your travelling dates?

USER: I would like to go on 11/21 and return on 11/23.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: John, there is a flight available at your request with price 100 and the connection is 0. Would you like me to proceed the booking?

USER: That's perfect. Please book it for me.

ASSISTANT: Sure. Your booking is confirmed with Spirit airline and the flight number is 1018.

USER: Thank you for your service.

ASSISTANT: You are welcome. Thank you for contacting us.