You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Smith.

ASSISTANT: How can I guide you?

USER: My brother's son will be baptized on 02/29 and I need to attend the ceremony so please help me in booking a flight ticket on 02/28 and return ticket on 03/01.

ASSISTANT: Sure. Do you have any connection limit?

USER: Yes, I need a halt.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from PHL to EWR.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok, no probem. Thank you.

ASSISTANT: Thank you for reaching us.