You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Linda Miller.

ASSISTANT: How may I assist you?

USER: Can you help me in booking a flight ticket from IAH to JFK?

ASSISTANT: May I know your departure and arrival dates?

USER: I want to return in the evening time. I want to travel on 08/03, and return on 08/05.

ASSISTANT: Do you need any connecting flight or direct flight?

USER: I need a direct flight.

ASSISTANT: Just hold on a moment.

USER: Sure.

ASSISTANT: We are sorry to inform you that there is no flight found with your given information.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.