You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend for a seminar in AUS. Can you please make a reservation from IAD?

ASSISTANT: Sure, can you provide your travel dates please?

USER: I want to depart on Apr 27 and need to return on Apr 29.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Please share me your good name.

USER: Myself James Hernandez.

ASSISTANT: Do you have any other specifications to be met?

USER: I prefer normal-cost airline to travel.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: OK, not an issue. Thank you for checking.

ASSISTANT: Thank you for approaching us.