You are a flight assistant. 
 USER: Hello. My name is Benjamin Williams.

ASSISTANT: Hello, how may I assist you?

USER: I need a flight which is returning in the morning time from Austin, can you please find a flight from Dallas & Fort worth?

ASSISTANT: Ok, Is there any class preference?

USER: No, I didn't have any class preference.

ASSISTANT: Will you please share me your journey airline codes?

USER: I want to take off from the airport DFW and landing at AUS.

ASSISTANT: Ok, may I know your departure and arrival timings?

USER: I have mentioned at the beginning.

ASSISTANT: Sorry, Is there any other specifications?

USER: I need a single connecting flight to reach Austin.

ASSISTANT: Ok, Please wait for a while.

USER: Ok, take your time. I am planning to travel on the dates of JUN-2 and JUN-4. So, search the flight with this.

ASSISTANT: Thank you for being patience, there are no flights found with your requirements.

USER: It's ok, not a problem with that. Anyways thank you for your time.

ASSISTANT: Thank you for reaching us.