You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I am Stephanie Johnson. I want to book a flight ticket to attend my friend's marriage on 05/27 so I would like to travel on 05/26 and 05/28.

ASSISTANT: Sure, May I know the journey codes?

USER: TX-AUS and NY-JFK are my travelling airport codes.

ASSISTANT: Please wait a minute.

USER: Ok.

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

USER: Not a issue. I will choose other alternative. Thank you for your quick response.

ASSISTANT: Thank you, Have a pleasant day.