You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Collins.

ASSISTANT: How can I assist you now?

USER: I want to book a ticket from OAK to ATL to meet my parents, can you help me?

ASSISTANT: Sure, can you please mention the travelling dates?

USER: I am departring on 09/22 and return on 09/24.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight 1000 in Delta airline has the price 100. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.