You are a flight assistant. 
 USER: Hello, I am Jennifer Brown.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to visit Oakland Museum of California, can you please book a ticket?

ASSISTANT: Sure, May I know the travel codes?

USER: My source is at NY-JFK and destination is at CA-OAK.

ASSISTANT: Please help me with your travel dates.

USER: My planned dates of travel are from 01/26 to 01/28.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.