You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I support you?

USER:  I am planning to attend Innovation Festivals at AZ - PHX, can you help me to book a book a flight from CA - OAK?

ASSISTANT: Sure, we are glad to help you for booking. Can you please share your price limit?

USER: Price limit should not exceed 500.

ASSISTANT: Ok, may I know your journey dates?

USER: I want to leave on 10/28 and return on 10/30.

ASSISTANT: To proceed for booking may I know your good name?

USER: I am Scott Allen.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a 1012 Delta airline matches to your criterion and the fare is 100 with single connection. May I proceed for booking?

USER: It is perfect, you can proceed with these airline.

ASSISTANT: Ok, the booking has been done.

USER: Thanks for being my helping hand.

ASSISTANT: Thank you for opting us.