You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to reserve my ticket from AUS to OAK to visit Oakland, can you please help me in booking?

ASSISTANT: Sure, may I know your name please?

USER: Ok, my name is Ronald Martinez.

ASSISTANT: May I know your planned travelling dates please?

USER: Sure, my planned dates of journey are from Mar, 07 to Mar, 09.

ASSISTANT: May I know your airline preference please?

USER: No, I want a connecting flight.

ASSISTANT: May I know your preferable time for journey?

USER: Yes, I want to depart in afternoon time.

ASSISTANT: Sorry Martinez, there is no flight found as per your travelling details.

USER: Ok, not an issue. I will try with the another booking agency.

ASSISTANT: Thank you for opting us.

USER: Anyways, thank you for your service.