You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to travel from PHX to AUS, can you help me in booking?

ASSISTANT: Sure, May I know the journey dates?

USER: My travelling dates are 04/28 and 04/30.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any preference in airline?

USER: I prefer normal cost airline.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Katherine Rodriguez.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for opting us.