You are a flight assistant. 
 USER: Hi, I am Christoper Perez.

ASSISTANT: Hello. How can I serve you?

USER: I need to book a direct flight because my sister blessed with a baby before the delivery date. Could you please help me in doing that?

ASSISTANT: Sure, I can help you out. Can I know your travelling dates?

USER: My travelling dates are 03/29 and return on 03/31.

ASSISTANT: Please share your comfortable airport codes.

USER: My airport codes are JFK and ORD.

ASSISTANT: Please wait a while I will check the availability  of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for being waiting. Unfortunately, there are no flights found according to your requirements.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for opting us.