You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please book me a flight ticket from OAK to AUS to meet my family?

ASSISTANT: Sure, I am glad to help you. May I know your planned dates?

USER: I have planned to travel on Feb 25th and return on Feb 27th.

ASSISTANT: Ok, help me with your connection limit.

USER: I like connecting flight.

ASSISTANT: On whose name, you want to reserve the ticket?

USER: Ryan Perez.

ASSISTANT: Do you have any other concerns?

USER: I like connecting flight.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for choosing us.