You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Gonzalez.

ASSISTANT: How may I assist you, Catherine?

USER: I am planning a trip to Dallas with my friends, can you please book me a ticket from AUS to DFW?

ASSISTANT: Sure, may I know your journey dates please?

USER: I would like to airborne on 05/05 and would like to recur on 05/07.

ASSISTANT: Please wait for some time.

USER: Sure, take your own time.

ASSISTANT: There are no flights available at this moment.

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

ASSISTANT: Thank you for contacting us.