You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: I want to travel from AUS to DTW, can you help me with the tickets booking?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travel dates are 10/24 and 10/26.

ASSISTANT: On whose name I have to reserve the flight ticket?

USER: My name, Paul Taylor.

ASSISTANT: Do you have any airline preference?

USER: I want to travel in normal cost airlines.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment to check the flights availability meanwhile if you have any other preferences please let me know.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no normal cost airlines for your journey with your required preferences.

USER: That's ok. Thank you for your service.

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