You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you please help me in flight ticket booking process from EWR to CLT?

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

USER: Thank you for your response, I want to take off on Apr 29 and book my return ticket also on May 01.

ASSISTANT: May I know your name please?

USER: Sure, my name is Donald Baker.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I would like to return in morning time.

ASSISTANT: Do you have any other criteria?

USER: No.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: Oh! It's ok no problem.

ASSISTANT: Thank you very much for contacting our agency.

USER: Thank you for your information.

ASSISTANT: You are welcome.