You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond King.

ASSISTANT: How can I assist you today?

USER: I am looking to book a flight ticket as I am leaving to Dallas. Can you please assist me?

ASSISTANT: Sure, please provide your travelling dates that you want to travel.

USER: My travelling dates are 12/01 and 12/03.

ASSISTANT: Will you provide your airport codes please?

USER: I am flying from HOU to DFW.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Based on your details, there is a flight with price 900 and the connections 1 is available. Shall I proceed for booking the ticket?

USER: Can you please check the flight tickets with price limit of 500?

ASSISTANT: There is no flights found under 500.

USER: Ok, thank you for your services.

ASSISTANT: Welcome, have a great day.

USER: Most welcome.