You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to go haunted tales of downtown Los Angeles. Can you do the reservation?

ASSISTANT: Ok, I will help you out in booking your ticket. Can you please provide me your travelling dates?

USER: Journey dates are 10/22 and 10/24. Airport codes are DEN-LAX.

ASSISTANT: Can I know do you have any specifications with the flight?

USER: Price should not cross 500. I need a connecting flight.

ASSISTANT: Ok, please wait a moment. I will check for availability of flights.

USER: Ok.

ASSISTANT: Sorry, there are no flights found for these dates.

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

ASSISTANT: Thank for reaching our services.

USER: Thanks for tried to help me.

ASSISTANT: Most welcome. Can I know your name for confirmation of booking?

USER: Amanda King here.

ASSISTANT: Ok, thank you.