You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend music concert at SFO, can you please help me with booking a flight ticket from AUS?

ASSISTANT: Sure, I will help you. When would you like to plan your journey?

USER: I would like to take off on Feb 4 and return on Feb 6.

ASSISTANT: May I know your name please?

USER: My name is Gary Rodriguez.

ASSISTANT: Do you need a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I prefer normal cost airline.

ASSISTANT: May I know your other requirements?

USER: I don't have any other requirements.

ASSISTANT: Gary Rodriguez, no flights has been found on your planned travel dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.