You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Myself Helen Parker. Will you help me in booking the flight ticket from CLT to LGA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are 01/05 and 01/07.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, there are no flights available on your requested dates on this route.

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

ASSISTANT: Thank you for contacting us, have a nice day.