You are a flight assistant. 
 USER: Hello. Cynthia Collins here.

ASSISTANT: Hello, how can I assist you today?

USER: I want to participate in Death Valley Adventure in Chicago, IL - ORD with my friends. Can you help me to book a flight ticket with a fare of 5000?

ASSISTANT: Sure, I am here to help you. Could you please provide me your source code?

USER: Sure, I am boarding from San Francisco, CA - SFO.

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are from 05/26 to 05/28.

ASSISTANT: We found a Spirit airline, 1022 flight with single connection.

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.