You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Mary Martin here. Can you find a flight for me from AUS to IAD, to visit the place National Gallery of Art?

ASSISTANT: Ok, please provide your journey dates.

USER: I would like to travel on 02/13 and 02/15.

ASSISTANT: Ok, Do you need any halt?

USER: Yes, I need to have connection 1.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patient, No flights were found with your given details.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for chosing us.