You are a flight assistant. 
 USER: Hi. I am Scott Hill.

ASSISTANT: Hello. How may I aid you?

USER: I want to see the Oakland Museum of California at Oakland on 09/23, can you please book me a return ticket on 09/25?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you please share your boarding point?

USER: My boarding point is Houston, TX-IAH.

ASSISTANT: Kindly, mention your landing airport code.

USER: My landing point airport code is CA-OAK.

ASSISTANT: Thank you for sharing the details, wait for  a while.

USER: Ok.

ASSISTANT: Thank you for being patience. Unfortunately, there are no flights found on your route that matches your requirements.

USER: No problem, I will try with other alternative.

ASSISTANT: Thank you for availing us.

USER: Thank you.