You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please make a reservation from OAK to HOU to attend a meeting in Houston?

ASSISTANT: Sure, please provide your journey dates.

USER: My journey dates are on June 24th and 26th.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, May I know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given requirements.

USER: Ok, no problem.

ASSISTANT: May I know your good name?

USER: My name is Daniel Johnson.

ASSISTANT: Thank you for availing us.

USER: Thank you.

ASSISTANT: Have a nice day.