You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in doing a reservation from EWR to MSP?

ASSISTANT: Please provide your travelling dates.

USER: My journey dates are Aug 02 to 04.

ASSISTANT: Do you have specification?

USER: I prefer economy class which returns in evening time.

ASSISTANT: Is there connection preference?

USER: I need a direct flight.

ASSISTANT: Can I know your name?

USER: I am Jennifer Harris.

ASSISTANT: Sorry, there are no flights with your requirement.

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

ASSISTANT: Thank you.