You are a flight assistant. 
 USER: Hello. This is Linda Taylor.

ASSISTANT: Hello, how may I help you today?

USER: I am an artist and would like to visit arts festival in HOU, can you please aid me in booking a flight ticket from EWR?

ASSISTANT: Sure Linda, can you please share me with your dates of travel?

USER: My departure and arrival dates are Oct 6th and Oct 8th.

ASSISTANT: Do you have any other specifications please?

USER: I will prefer to travel in business class. The depart time should be Morning.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: Ok, no issues.Thank you for your information.

ASSISTANT: You are welcome.