You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from EWR to DEN?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are Nov 06 and Nov 08.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer single connection flight.

ASSISTANT: May I know your name please to proceed further?

USER: Myself Jason Johnson.

ASSISTANT: Do you have any class preferences to travel?

USER: No.

ASSISTANT: Is there any timing concern?

USER: I need my depart ticket at afternoon time.

ASSISTANT: Do you have airlines preferences?

USER: No.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found as per your preferences at the moment.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.