You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Could you please help me in booking a ticket from ORD to EWR where I have a meeting to attend.

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My itinerary travel dates are as follows Aug 29 and Aug 31.

ASSISTANT: Do you have any other preferences?

USER: Yes, I would like to board a single connection flight.

ASSISTANT: Give me a moment. Sorry to inform you that there are no flights found on your requested dates.

USER: No issue. Thank you very much for your time.

ASSISTANT: Can I know your name?

USER: Ronald Walker.

ASSISTANT: Thank you for contacting us.