You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I am Mary Evans want to visit Philadelphia, can you book a ticket from OAK to PHL?

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

USER: Sure, my travelling dates will be 07/04 and 07/06.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight 1019 in southwest airline has the price 100 with 1 connection. Can I proceed with this booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.