You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking my ticket from DTW to AUS?

ASSISTANT: May I know your travelling dates please?

USER: Sure, my planned dates of journey are from Mar, 20 to Mar, 22.

ASSISTANT: Please let me know your connection limit?

USER: I am ok with any connecting flight.

ASSISTANT: May I know your name please?

USER: Sure, my name is Sandra Allen.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.