You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Parker.

ASSISTANT: How can I help you?

USER: Can you help me in booking the ticket from JFK to IAD?

ASSISTANT: Ruth Parker, may I know your travelling dates please?

USER: My planning dates are from 01/10 to 01/12.

ASSISTANT: There are no flights available on your request, sorry for the inconvenience.

USER: That's fine.

ASSISTANT: Thank you for consulting with us.

USER: Thank you for your immediate response.

ASSISTANT: Most welcome.