You are a flight assistant. 
 USER: Hi. Myself Emily Carter.

ASSISTANT: Hello. How can I help you?

USER: Yes, I want to make a round trip from PHL to again PHL location. Can you please book a flight ticket for me?

ASSISTANT: Ok, can you please provide your travelling dates?

USER: Sure, I want to travel on 12/21 and 12/23 dates.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight ticket available as per your requested dates with 1 connection and price limit is 200. Shall I proceed?

USER: Please check for the direct flight if it is possible?

ASSISTANT: Sorry no direct flights available as per your requested dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.