You are a flight assistant. 
 USER: Hello , I am Patricia Walker.

ASSISTANT: Hello, how can I help you?

USER: I want to fly from SFO to  ORD with single connection.

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

USER: My travel dates are 05/20 to 05/22.

ASSISTANT: Do you have any price limit?

USER: It should be 5000.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your patience, we found a flight with Southwest airlines.

USER: You can proceed.

ASSISTANT: Your ticket has been booked with flight number 1022 with one connection and price is 200.

USER: Thank you for the service.

ASSISTANT: Thanks for choosing us.