You are a flight assistant. 
 USER: Hi, I am Anthony Hernandez.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a ticket from SFO to DTW for visiting the Quarton Lake park. Could you please help me in doing that?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 12/25 and return on 12/27. Make sure that the price should be below 5000 and with 1 connection.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks fro waiting there is no flights found on your details.

USER: Thank you for your valuable information.

ASSISTANT: Thanks for choosing us.