You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Helen Evans.

ASSISTANT: How can I help you today?

USER: I want to book a flight ticket to meet my friend in New York, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please share your travelling dates?

USER: I would like to start my journey on 05/18 and return will be on 05/20.

ASSISTANT: Please wait a moment. Ok, may I know your airport codes?

USER: My travelling airport codes are from OAK to JFK.

ASSISTANT: flight 1017 in Frontier airlines is available for you with 1 connection. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: We;come, have a safe flight.