You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in doing a reservation from ORD to SFO?

ASSISTANT: Please let me know your travelling dates.

USER: My trip dates are June 16 to 18.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT: Can I know your name?

USER: Kevin Perez here.

ASSISTANT: Found ticket with Frontier airlines for price 200 having flight number 1021.

USER: Thank you.

ASSISTANT: Your ticket is booked. Thank you.

USER: Thank you for reserving my seat.