You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Gonzalez.

ASSISTANT: How may I assist you at this moment?

USER: I would like to meet my friend at Dallas, can you please book me a ticket from AUS to DFW?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: My planned dates of journey are from 08/26 to 08/28.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Sure, take your own time.

ASSISTANT: We regret to inform you that there are no flights available in your planned dates of travelling.

USER: Ok, not an issue. I will find any alternate for this trip. Anyways, thank you for providing information.

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