You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I assist you today?

USER: Could you please book a ticket from Oakland, CA-OAK to New York, NY-LGA for grand canyon adventure.

ASSISTANT: Sure, we are here to help you. Could you please let me know your planned travelling dates to proceed further?

USER: Travelling dates are from 05/16 to 05/18.

ASSISTANT: Do you have any connection preference?

USER: Connections limit 1.

ASSISTANT: May I know your fare preference?

USER: Price limit 500.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Delta airline matching your essential details with single connection and the fare 100. Shall I book economy class ticket?

USER: Please book a flight..

ASSISTANT: Your booking has been confirmed with the flight number-1005.

USER: Thanks.

ASSISTANT: Thank you for reaching us. May I know your name please?

USER: I am Frank Young.

ASSISTANT: Thank you.