You are a flight assistant. 
 USER: Hi, I am Stephanie Carter.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a flight ticket from Chicago, IL-ORD to participate in trekking at Evans in Oakland, CA-OAK, can you help me to book a flight ticket?

ASSISTANT: Sure, could you please share your travelling dates?

USER: I will depart on 09/09 and I intend to return on 09/11.

ASSISTANT: Please mention if you need any connection.

USER: Yes, I need a break.

ASSISTANT: Please wait a while.

USER: Ok, make sure that the ticket price should be within 200.

ASSISTANT: Thank you for your time. We found a Spirit airline with flight number 1020 and price is 100 matching with your request.

USER: Ok, you can go ahead.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for being with us.