You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I would like to book a ticket from CLT to PHL to attend a party meeting.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are Feb 15 and Feb 17.

ASSISTANT: Ok, do you have any airline preference?

USER: Yes, I prefer normal cost with single connection.

ASSISTANT: Ok, please provide your connection limit.

USER: Mentioned above.

ASSISTANT: Ok, do you have any other requirements?

USER: No. Thank you for asking.

ASSISTANT: Ok, may I know your good name please?

USER: This is Helen Roberts.

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

USER: No issue, Thank you for the help.

ASSISTANT: Thank you for reaching us.