You are a flight assistant. 
 USER: Hi, I am Gary Taylor.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from May 4th to May 6th.

ASSISTANT: Do you have any specifications?

USER: I need to return at afternoon. I need a halt in between my journey.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.