You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Eric Adams here.

ASSISTANT: Can you please tell me how may I help you?

USER: Please help me out in booking the ticket from IAD to EWR.

ASSISTANT: Sure, I am happy to help you with the ticket booking. Will you please mention your travel dates?

USER: My trip dates will be Nov 1 to Nov 3.

ASSISTANT: Ok, do you have any connection limit preference?

USER: I want a direct flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: I already mentioned.

ASSISTANT: Sorry to tell you, there is no flights available in this route.

USER: That's ok, thank you.

ASSISTANT: Ok, you are welcome. Thank you for reaching us.