You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I need a flight ticket to Los Angeles, as I am going to meet my parents.

ASSISTANT: Sure, May I know the journey codes?

USER: Can you make a reservation to me under the price limit of 200? I have to reach  the Los Angeles, LAX from DFW.

ASSISTANT: Please help me with your journey dates.

USER: My travelling dates are from 10/29 to 10/31.

ASSISTANT: Can I get your name?

USER: I am Stephanie Miller.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No problem. Thank you for your service.

ASSISTANT: Thank you for availing us.