You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Patrick Parker here, my planning is from OAK to MSP can you please help me to book a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my dates of journey is from 04/07 to 04/09. Please make sure that the connections limit is 1.

ASSISTANT: Sorry, there is no flight found as per your planned travel dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.