You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from DFW to OAK, can you help me in booking?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my planned travel dates are Sept 15 and Sept 17.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Please reserve the ticket on the name Samuel Young.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.