You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: I am Karen Evans. Please book a flight from Seattle, WA-SEA to San Francisco, CA-SFO for holiday vacation.

ASSISTANT: Sure, for further booking may I know your travelling dates please?

USER: Travelling dates are from 09/22 to 09/24.

ASSISTANT: Ok, any other specifications?

USER: Flight connection limit 1 and price 500.

ASSISTANT: Ok, please wait I will let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, flight: 1003, airline: Jetblue, price: 200 with single connection. Shall I proceed?

USER: Yes, please book a flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thanks for opting us.