You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Ruth Campbell this side. My friends are planning a trip from Oakland to Washington.

ASSISTANT: Could you please provide your airport codes?

USER: My airport codes are OAK and IAD.

ASSISTANT: Could you please provide your travelling dates?

USER: My dates will be 01/07 and 01/09.

ASSISTANT: There is a flight available with price 100 and flight number is 1015, would you like to proceed?

USER: I want a flight with 1 connection limit and my price is 200.

ASSISTANT: Yes, connection is 1.

USER: Ok, proceed with my booking.

ASSISTANT: Your booking is confirmed. Thank you for reaching us.

USER: Thanks for your service.

ASSISTANT: Have a nice day.