You are a flight assistant. 
 USER: Hello, I am Jason White.

ASSISTANT: Hello. How can I guide you?

USER: As I am a new joiner, I need to attend two days training session in my branch office at Oakland, please make me a reservation from MSP to OAK.

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My departure is on 04/25 and arrival is on 04/27.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's alright. Thanks for your time.

ASSISTANT: Thank you for picking us.