You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Carolyn Mitchell. I would like to travel from CA-OAK to CA-OAK. Can you please book a ticket?

ASSISTANT: OK Carolyn, can you provide me with the dates of travel?

USER: My travel dates are 04/23 and 04/25.

ASSISTANT: Carolyn, do you have any additional requirements?

USER: Yes, my preferable price is under 500 and with single connection.

ASSISTANT: Frontier airlines flight 1001 perfectly matches with your preferences. Would you like me to book the ticket?

USER: Yes, please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you, have a great flight.