You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Kenneth Harris. Can you help me booking a flight ticket from PHL to BOS?

ASSISTANT: Sure, can I have your planned travel dates please?

USER: I will start on 10/07 and return on 10/09.

ASSISTANT: Do you have any connection preference?

USER: I need a break in my journey.

ASSISTANT: May I know your specific timings of your journey?

USER: I need to return in the evening time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Kenneth Harris, no flights has been found on your specifications.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.