You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Catherine Adams. Could you please help me with finding a flight ticket on the route EWR to PHL?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to take off on 08/26 and return on 08/28.

ASSISTANT: Let me check for the availability of flight.

USER: Sure, take your time.

ASSISTANT: Catherine, there is no flight available at your request.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.