You are a flight assistant. 
 USER: Hello, I am Nicholas Williams.

ASSISTANT: Hello, what can I do for you today?

USER: Can you aid me in booking a flight ticket from LGA to CLT in single connecting flight?

ASSISTANT: Sure, please share your travelling dates.

USER: Sure, I would like to go on July 30th and return back on Aug 01st.

ASSISTANT: Ok, do you have any other preferences?

USER: No, I don't have any preferences.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, take your time.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.