You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Brenda Clark. Can you help me in ticket booking from LGA to SEA?

ASSISTANT: Yes, I can help you. Can you tell me your dates of travel?

USER: My travelling dates are from 03/23 to 03/25.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for contacting us.