You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Lisa Mitchell. Could you help me in making a flight ticket from Chicago to Philadelphia?

ASSISTANT: Sure, I will help you. Please share your desired travel dates?

USER: Yes, my trip is on the dates of 04/23 and 04/25.

ASSISTANT: May I know your airport codes please?

USER: The airport codes are ORD to PHL.

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

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is booked, flight number 1018.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.