You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Catherine Lopez, I would like to travel DEN from EWR. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I can help you in booking flight ticket. May I know your preferable journey dates for booking flight ticket?

USER: Sure, my travelling dates are 04/08 and 04/10.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Ok, please make sure that connection limit should not exceed 1.

ASSISTANT: Sorry Catherine, no flights available in this route as per your requested dates.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for contacting us, have a good day.