You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight from Washington to visit my uncle's house. Can you book a flight for me?

ASSISTANT: Sure, please provide me your travel dates.

USER: I will travel on Oct 14 and return on Oct 16.

ASSISTANT: Ok, let me know your source and destination airport codes.

USER: My source point is IAD and my destination point is OAK.

ASSISTANT: May I know your name?

USER: My name is Brenda Wilson.

ASSISTANT: Do you have any class preference?

USER: Yes, I want economy class.

ASSISTANT: Ok, please wait. Let me check.

USER: Sure, please find me a connecting flight.

ASSISTANT: There is a flight having single connection is available with Frontier airlines and the ticket fare is 100 only. Is that ok for you?

USER: Yes, it is good.

ASSISTANT: Your ticket is confirmed successfully in economy class with the flight-1014.

USER: Thank you for helping me.

ASSISTANT: You are welcome and have a safe flight.