You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you today?

USER: Can you please help me in booking a flight ticket to DEN from AUS?

ASSISTANT: Sure, I am here to help you.

USER: I would like to start on May 14 and need to return on May 16.

ASSISTANT: Do you need any connection in between the journey?

USER: I need a direct flight.

ASSISTANT: Ok, please share your class preference.

USER: I would like to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, may I know your name please?

USER: I am Shirley Miller.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, no probelm. Thank you.

ASSISTANT: Thank you for reaching us, have a good day.