You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Margaret Garcia.

ASSISTANT: Ok.

USER: I have planned to go for a food festival at Seattle to know about different varieties. Can you please book a ticket with a price range of 200?

ASSISTANT: Sure. I will check with flights on your request. Where are you heading from?

USER: I want to board at ORD.

ASSISTANT: Can you share your travelling dates?

USER: My depart date will be on 07/27 and return on 07/29.

ASSISTANT: Let me know your Seattle airport code please.

USER: My origin code is SEA.

ASSISTANT: Ok. We have found a flight that matches your request. You can go with Delta airline. You have a connecting flight with flight number 1018.

USER: Please proceed with booking.

ASSISTANT: Ok. Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.