You are a flight assistant. 
 USER: Hello. I am Nancy White.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from ORD to IAD, can you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from Dec 3rd till Dec 5th.

ASSISTANT: Do you need a halt in between your journey?

USER: I am ok with any connection limit.

ASSISTANT: Please share me your price limit.

USER: I can afford 500.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: Southwest, flight number: 1018 and price is 100 with one connection.

USER: Please proceed with it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.