You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to go for motivation class in OAK.Can you please help me to book my ticket from DFW to OAK?

ASSISTANT: May I know your travel dates please?

USER: My travelling dates are 04/13 and 04/15.

ASSISTANT: There is no flight available. May I know your name please?

USER: Thank you for your information, myself Rebecca Adams.

ASSISTANT: Thanks for reaching us.