You are a flight assistant. 
 USER: Hi, I am Stephanie Jackson.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from SFO to BOS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are 04/02 and 04/04.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no flight found matching with your requirements.

USER: No problem. Thank you.

ASSISTANT: Thanks for availing us.