You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Can you please assist me in making an airline reservation from IAD to AUS?

ASSISTANT: Sure, may I know your good name?

USER: Sandra Moore.

ASSISTANT: Could you please help me with your trip dates?

USER: My trip dates are May 7th and May 9th.

ASSISTANT: Do you have any preferences?

USER: I am looking for a single connection.

ASSISTANT: Sorry to say this, there are no flights available as per your requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.