You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy White.

ASSISTANT:  How can I assist you?

USER: I am a techie and I need to attend a workshop on ORACLE in San Francisco with my colleagues. So, I need to book a ticket from Boston, BOS.

ASSISTANT: Ok, provide me your journey dates?

USER: I want depart on 07/10 and return date on 07/12.

ASSISTANT: May I know your destination point?

USER: Destination point is SFO.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT:  Sorry, no flights are found on your journey dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.