You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please book a flight ticket from AUS to SEA?

ASSISTANT: Sure. Kindly share me your travelling dates.

USER: Thank you. I have planned my travel dates as Feb 26 and Feb 28.

ASSISTANT: Are you okay with an direct flight?

USER: Yes, I am ok with that.

ASSISTANT: Do you have any other  specifications?

USER: I would prefer economy class to travel due to low budget.

ASSISTANT: May I know your name?

USER: Sure, myself Jennifer Rodriguez.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.