You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Taylor.

ASSISTANT: How can I aid you?

USER: I need to book a flight ticket from Austin, TX-AUS to Detroit, MI-DTW for attending memorial services of my uncle.

ASSISTANT: Ok.

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: Sure, I want to depart on 12/30 and return on 01/01.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a flight ticket under price 200.

ASSISTANT: Thanks for your details. There are no flights found on your data.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.