You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to book a ticket from OAK to AUS, can you help me?

ASSISTANT: Please share me your travelling dates.

USER: My travel dates are 04/09 and 04/11.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in normal cost airline.

ASSISTANT: May I know your name for reservation?

USER: I am Cynthia Davis.

ASSISTANT: There are no flights available on your routes.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.