You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Sarah Wright here. I want to book a flight on the route from PHL - ORD, can you please help me?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates will be from 02/18 to 02/20.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked, flight number 1020.

USER: Thank you for confirming my reservation.

ASSISTANT: Thank you for opting us.

USER: Most welcome.