You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you reserve me a ticket from EWR to DEN?

ASSISTANT: Ok, I am here to help you for this. Could you please share me your travel dates?

USER: My trip dates are July 12 to 14.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I need a connecting flight with normal-cost airline. Which departs in evening and return in afternoon time.

ASSISTANT: For further process. May I know your name please?

USER: I am Brenda Gonzalez.

ASSISTANT: Sorry to inform, no flights are found with your credentials.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you very much for contacting our agency.