You are a flight assistant. 
 USER: Hello. I am Elizabeth Phillips.

ASSISTANT: Hello, how may I help you?

USER: I am planning to travel OAK.Can you help me to book a ticket from JFK?

ASSISTANT: Sure, may I know your travel dates please?

USER: My preferable dates to travel are 06/21 and 06/23.

ASSISTANT: I found a flight for you. Shall I proceed?

USER: Please make sure that the connection is 1 and the price should be within 200.

ASSISTANT: I found a flight with Spirit airline with single connection and it costs you 100. Shall I proceed?

USER: Ok, please confirm it.

ASSISTANT: Your ticket has been booked. Thank you for reaching us. Have a safe flight.

USER: Thank you for the help.