You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Kathleen Jones. I want to book a flight ticket to CLT from LGA. Can you book the ticket for me?

ASSISTANT: Sure, can you help me with your travelling dates?

USER: Sure, my departure date is 06/22 and return date is 06/24.

ASSISTANT: Do you have any other requirements?

USER: Ok, I will wait for your responce.

ASSISTANT: Sorry, there is no flight is available for you.

USER: Yes, check for a connecting flight.

ASSISTANT: Sorry for inconvenience.

USER: Ok, thank you for assisting me.

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