You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you guide me in booking a flight ticket from MSP to OAK?

ASSISTANT: Sure, can I know your travelling dates?

USER: I am planning to start on July 15th and return back on July 17th.

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

USER: Book the ticket on the name Catherine Mitchell.

ASSISTANT: Do you have any connection limit?

USER: Make sure that it is a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No, all the preferences have been mentioned.\.

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

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.