You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Catherine Smith. I am planning to book me a flight ticket from PHL to EWR, can you help me?

ASSISTANT: Travelling dates please?

USER: My preferable travelling dates are from 02/24 to 02/26.

ASSISTANT: Yes, there is a flight available with your request.

USER: Ok, please book my ticket.

ASSISTANT: Your reservation is confirmed with UA airlines of 1024 flight.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice day.