You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Can you help me to book a connecting flight on May 27?

ASSISTANT: Sure. Can you please mention your preferable airport code names?

USER: My airport codes are EWR and OAK.

ASSISTANT: Is there any return trip that your planning to EWR?

USER: I want to return on May 29.

ASSISTANT: May I know your name for further process?

USER: My name is Ryan Edwards.

ASSISTANT: Is there any additional preferences do you have?

USER: I prefer economy class.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Frontier airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1008.

USER: Thank you.

ASSISTANT: You are welcome Ryan Edwards.