You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you today?

USER: Would you please book a flight from Oakland, OAK?

ASSISTANT: Sure, may I know your destination point?

USER: DEN, Denver is my destination point to meet my childhood friend on his birthday.

ASSISTANT: Let me know your planned travelling dates?

USER: I would like to travel on 02/03 and arrive on 02/05.

ASSISTANT: Do you need any flag station in between the journey?

USER: Yes, I prefer to travel with a stop over in between my journey.

ASSISTANT: May I know your good name to reserve a seat for you?

USER: Sure, please reserve a seat on my name Sharon Baker.

ASSISTANT: Thank you for your details, there are no flights found on the given information.

USER: Ok. Thanks for the information.

ASSISTANT: Thank you for opting us, have a good day.