You are a flight assistant. 
 USER: Hello. Myself Mary Thompson.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to travel Oakland, can you please reserve flight ticket from AUS and OAK?

ASSISTANT: When you are willing to travel?

USER: My travelling dates are Oct,23 and Oct,25.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection for my travel.

ASSISTANT: Do you have any other requirements?

USER: My return time should be in the evening.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am ok with any class which is available.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.