You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I am planning to visit redwood regional park in Oakland, OAK.

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are Feb 03 and Feb 05.

ASSISTANT: Ok, help me with your connection limit.

USER: I am comfortable with any connection.

ASSISTANT: Kindly mention your source airport code?

USER: My source is from Las Vegas, LAS.

ASSISTANT: Ok, do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, This is Charles Jackson.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.