You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to go and attend my brother birthday function at Los Angeles. Can you do the reservation?

ASSISTANT: Sure, please provide your journey points?

USER: My journey points are DFW-LAX.

ASSISTANT: Do you have any restrictions in price?

USER: Price should not cross 5000.

ASSISTANT: Ok, please provide your planned dates of travel?

USER: Journey dates are 03/24 and 03/26.

ASSISTANT: Thank you for providing your details. Sorry to say that unfortunately no flight available to your provided locations.

USER: No issue, I will check with another airline.

ASSISTANT: Ok, May I know your good name please?

USER: Ruth Thompson here.

ASSISTANT: Thank you, have a good day.

USER: Thanks for the information.