You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Pamela Thompson, I want to book a flight from JFK to DFW. Can you help me with booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will fly on May 6th and return on May 8th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight and depart flight in afternoon.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.