You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend my sister's wedding at Minneapolis, can you please book my flight ticket from OAK to MSP?

ASSISTANT: Your travelling dates please?

USER: Thank you so much. I have to depart on July 24th and return back on July 26th.

ASSISTANT: May I know your connection limit please?

USER: I prefer for a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Deborah Baker.

ASSISTANT: I am sorry no flights found on your route.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing us.