You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a flight ticket from EWR to SEA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Nov 9 to Nov 11.

ASSISTANT: Do you have any specifications?

USER: I need a single connection of flight.

ASSISTANT: May I know your name?

USER: I am Catherine Rodriguez here.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you.