You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist help you?

USER: I am planning to visit Fort worth water gardens in Dallas, Can you please book my ticket?

ASSISTANT: Definitely. Please provide your travelling dates?

USER: My  trip dates are 12/29 and 12/31.

ASSISTANT: May I know departure airport code?

USER: My source code is SEA and my destination code is DFW.

ASSISTANT: Any other specifications?

USER: Yes, my connection limit is 1. My price limit is 500.

ASSISTANT: Please provide your name.

USER: Amy Davis is my name.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I regret as there is no flight.

USER: Ok, fine.

ASSISTANT: Thanks.

USER: Thank you for your service.