You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Nicole Williams. Can you please help me in booking a flight ticket from DFW to OAK locations?

ASSISTANT: On which dates you are planning to travel?

USER: My travelling dates are from 01/01 and 01/03.

ASSISTANT: There is no flight available.

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome.