You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would to travel to LAS from DFW to enjoy Navajo adventure.

ASSISTANT: Can I know your travelling dates?

USER: Sure, my journey dates are May 23 and May 25.

ASSISTANT: Let me know your name.

USER: Sure, Brenda Thomas here.

ASSISTANT: Do you have any preference?

USER: I want to fly in a normal cost airline. And I need a connected flight.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.