You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Samantha Jones. I would like to meet my friend at New York, will you help me in booking the flight ticket from LAS to EWR?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: My travelling dates are 05/21 and 05/23.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

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

ASSISTANT: Thank you for contacting our agency.