You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please help me in booking my flight ticket from OAK to BOS?

ASSISTANT: Sure, I will help you with that. Can you please share your journey dates?

USER: My travelling dates are 01/12 and 01/14.

ASSISTANT: May I know your name please?

USER: Myself Andrew Robinson.

ASSISTANT: Please give me a minute. I am sorry to say that there is no flight found.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us.