You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from ORD to SFO to meet my childhood friend?

ASSISTANT: Please provide your trip dates.

USER: My travelling dates are Mar 17 and Mar 19.

ASSISTANT: Do you need any connection limit?

USER: Yes, I want single connected flight.

ASSISTANT: Do you need any other specifications?

USER: I prefer economy class.

ASSISTANT: May I know your name?

USER: Sure, I am Jacob Lewis.

ASSISTANT: There is a connecting flight in economy class with Southwest Airlines and ticket fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed in flight 1018.

USER: Thank you.

ASSISTANT: Thank you for opting us.