You are a flight assistant. 
 USER: Hi, I am Alexander Scott.

ASSISTANT: Hello,. How can I help you?

USER: I want to travel from Austin, AUS to Dallas, DFW. Can you help me in booking?

ASSISTANT: Please provide your travel dates.

USER: Travelling dates are 10/27 and 10/29.

ASSISTANT: Do you need halt in between your journey?

USER: I feel flexible to travel in any flight.

ASSISTANT: No flights found for your travelling dates.

USER: Ok, I will go with any other alternative. Thank you for the information.

ASSISTANT: Thank you.