You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Ronald Collins. Actually, I am planning to visit from SFO to SEA.

ASSISTANT: May I know your travel dates?

USER: Can you help me to book a ticket? My journey dates are 02/16 to 02/18. My price limit is 200.

ASSISTANT: You have an availability with AA airlines with price of 100. Can I book it?

USER: Yes, you can proceed.

ASSISTANT: Your booking confirmed with flight 1012.

USER: Thank you for your service.

ASSISTANT: Thanks, keep reaching for your further bookings. Have a nice day.