You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you?

USER: I need to book a ticket from OAK to visit the overview of city New York. Can you please help me with it?

ASSISTANT: Sure, May I know your destination code?

USER: LGA.

ASSISTANT: Please help me with your journey dates.

USER: 06/22 to 06/24.

ASSISTANT: Can I get your name?

USER: Pamela Phillips.

ASSISTANT: Please give a minute, Am checking the details.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Not a problem, thank you.

ASSISTANT: Thank you for availing us.