You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I'm Benjamin Miller here.

ASSISTANT: Benjamin Miller , how can I help you?

USER: I want to travel from TX-DFW to TX-AUS to attend political meeting at Austin.

ASSISTANT: Sure, may I know your travelling dates?

USER: My dates of journey is from 10/11 to 10/13. Please make sure that connection is 1.

ASSISTANT: Sorry to tell you there are no flights available with us on your provided dates.

USER: Ok, fine. Thank you for your information.

ASSISTANT: Most welcome.