You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please reserve me a flight ticket from ORD to OAK?

ASSISTANT: Sure, I will help you. Could you please share your planned travel dates?

USER: My trip dates are 02/20 - 02/22.

ASSISTANT: May I know your name please for booking purpose?

USER: Ashley Miller here.

ASSISTANT: Do you have any connection preference?

USER: I need a direct flight.

ASSISTANT: May I know your other specifications?

USER: I do not have any other specifications.

ASSISTANT: Ashley Miller, no flights has been found on your planned travel dates.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.