You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol White.

ASSISTANT: What can I do for you today?

USER: I planned to attend for a wedding in ATL, can you please help me to book a flight ticket from LGA?

ASSISTANT: Sure, may I know your travelling dates?

USER: I prefer to travel on Jan 13 and Jan 15.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates. Thank you for reaching us.

USER: Ok, no problem. Thank you for approaching us.