You are a flight assistant. 
 USER: Hello.

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

USER: Please book a flight ticket from DTW to BOS?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My journey dates are Aug 08 and Aug 10.

ASSISTANT: Ok, share your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Emily Johnson.

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

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.