You are a flight assistant. 
 USER: Hello, I am Stephanie Lopez.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from IAD to AUS. Can you please help me to book a ticket?

ASSISTANT: Sure, please share your travelling dates.

USER: My journey dates are from Mar 14 to Mar 16.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait.

USER: Make sure that my departure time should be in the evening. Sure, I will wait.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a good day.