You are a flight assistant. 
 USER: Hi. I am Thomas Walker.

ASSISTANT: Hello, how may I aid you today?

USER: I want to see the Oakland Museum of California, CA-OAK, can you please book me a ticket from San Francisco, CA-SFO?

ASSISTANT: Sure, could you please mention your journey dates?

USER: My journey dates are from 11/18 to 11/20.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: There is a connecting flight in Delta airlines with a fare of 100 and the flight number is 1015. Shall I book it?

USER: Yes, please proceed for booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.