You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Hall.

ASSISTANT: How may I be of your service?

USER: Please book a ticket from San Francisco, SFO to Chicago, ORD.

ASSISTANT: Sure, I'll help you in booking.

USER: Thank you.

ASSISTANT: Please let me know your planned traveliing dates to proceed further.

USER: My planned dates are from 06/05 to 06/07.

ASSISTANT: Can I know your connection preference?

USER: I need a connecting flight.

ASSISTANT: May I know your fare limit?

USER: I can bare up to 200.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Southwest airline matching your specifications with single connection and the fare 100.

USER: Ok, Please proceed.

ASSISTANT: Your booking has been confirmed with the flight number-1003.

USER: Thank you.

ASSISTANT: Thank you for approaching us.