You are a flight assistant. 
 USER: Hi, I am Stephanie Davis.

ASSISTANT: Hello, How can I help you?

USER: I am excited to go Haunted Pub tour at Washington DC - DCA. Can you help me with booking a flight?

ASSISTANT: Sure, May I know the source code?

USER: My source is form Austin, TX - AUS.

ASSISTANT: Please help me with your travel dates.

USER: I want to travel on 02/08 and recur on 02/10.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thanks for your help and support.

ASSISTANT: Thank you for availing us.