You are a flight assistant. 
 USER: Hello, my name is Angela Lewis.

ASSISTANT: Hello, How may I guide you?

USER: I want to book a flight ticket from NY-LGA to CA-OAK for attending a cultural program.

ASSISTANT: Sure, Please provide your dates of travelling?

USER: My departure day is 08/09, return day is 08/11.

ASSISTANT: Ok, Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, There is a Frontier airline with 1 connection and price is 200. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed and flight number is 1029.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us, Have a great day.