You are a flight assistant. 
 USER: Hi, I am Melissa Phillips.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight from JFK to AUS, so please help me in booking a flight.

ASSISTANT: Sure, Do you need any break in between your journey?

USER: Yes. I need a single connected flight.

ASSISTANT: Ok, Is there any class preference?

USER: Yes, I need a flight in economy class.

ASSISTANT: Ok, please provide your journey dates.

USER: My journey dates are on Jan 24th to 26th.

ASSISTANT: Ok, Kindly mention your depart time and return time.

USER: My depart is in afternoon time.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, There were no flights found with your given requirements.

USER: No worries, thank you.

ASSISTANT: Thank you for contacting us.