You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help are you seeking from us?

USER: Betty Green here. I am a singer, I have to host a show at Detroit. Could you book my ticket from ORD to DTW?

ASSISTANT: Sure, kindly share your travel dates.

USER: My itinerary dates are Apr 24 and Apr 26.

ASSISTANT: Do you have any specifications?

USER: I want to return from Detroit in the afternoon and I need a connecting flight.

ASSISTANT: Thank you for providing your details, please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your requirements.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.