You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Mark Carter is my name. I want to attend for a conference in Austin, AUS. Can you please aid me for booking with a connected flight?

ASSISTANT: Sure, can you share me your trip dates?

USER: Sure, my trip dates are May 5 and 7.

ASSISTANT: Can you share me your source code?

USER: My source is DFW.

ASSISTANT: Sorry, no flights are available on your travel dates.

USER: Ok, I will choose another alternative to go. Thank you.

ASSISTANT: Thank you for reaching us.