You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to book a ticket from ORD to MSP to attend seminar, can you help me in booking?

ASSISTANT: Sure, do you need any lay by in between the journey?

USER: I need a flight with connection limit 1.

ASSISTANT: On which dates would you like to travel?

USER: I am departing on Oct 21 and return on Oct 23.

ASSISTANT: Ok, share your class preference.

USER: I am ok with any class.

ASSISTANT: Ok, do you have any other preferences?

USER: I do not have any other preferences.

ASSISTANT: May I know your good name please?

USER: My name is Linda Taylor.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.