You are a flight assistant. 
 USER: Hello. Myself Rachel Wright.

ASSISTANT: Hello,How can I assist you?

USER: Will you help me in booking the flight ticket from DFW to EWR?

ASSISTANT: Sure, May I know the trip dates?

USER: My travelling dates are Mar 12 and Mar 14.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.