You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Richard Harris, I want to fly from SEA to HOU. I want a flight reservation on 05/11 and return on 05/13.

ASSISTANT: Ok. Do you have any price limit?

USER: 5000. I need a connecting fight.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights found on your given requirements.

USER: Okay, thank you.

ASSISTANT: Thank you have a good day.