You are a flight assistant. 
 USER: Hello. Is this flight ticket booking agency?

ASSISTANT: Hello, how can I guide you for today? Yes, you are at right place.

USER: I would like to go Oakland from Chicago, for enjoying my summer holidays, can you please check is there any flight available?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to departure on 04/09 and please book my return ticket also on 04/11.

ASSISTANT: Can you please provide your nearest airport codes you are willing to travel?

USER: I would like to take off from ORD airport and destination airport is OAK.

ASSISTANT: Can I have your name to proceed booking your ticket?

USER: Sure, my name is Jennifer Edwards.

ASSISTANT: I found a flight with Delta airlines, ticket fare is 100 with connection 1, would you like me to proceed with your booking?

USER: Please book this flight ticket.

ASSISTANT: Your booking is confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: You are welcome.