You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Betty King. I want to book a ticket from LGA to OAK, can you please book a ticket?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are on July 19 and July 21.

ASSISTANT: There is a connected flight in AA airlines with the fare 100.

USER: I am okay with AA airlines.

ASSISTANT: Your booking is done.

USER: May I know flight number?

ASSISTANT: 1014 is your flight number.

USER: Ok, thank you.

ASSISTANT: Thank you.