You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I am Donna Nelson. I have to go to Oakland next week for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: Fine, my locations are from LAS to OAK.

ASSISTANT: Your travelling dates please?

USER: Ok, my travelling dates should be 06/04 and 06/06.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1001 flight it cost you 100?

USER: Please proceed with booking.

ASSISTANT: Your booking is done in AA airlines.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.