You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Moore here.

ASSISTANT: How may I assist you Moore?

USER: I want to travel from JFK to CLT for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide your preferable dates of travelling?

USER: My departure date is 04/14 and return date is 04/16.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you that, there are no flights available in your route with you requested dates of travelling.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.