You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from ORD to LAX?

ASSISTANT: Let me know your travel dates.

USER: My travel dates are Apr 15 and Apr 17.

ASSISTANT: Do you have any preference?

USER: I prefer connecting flight for this trip.

ASSISTANT: Can I know your name?

USER: I am Pamela Walker.

ASSISTANT: Found ticket with Spirit airlines for price 100 having flight number 1004.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.