You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Garcia.

ASSISTANT: How can I help you?

USER: I would like to enjoy my weekend trip with my friends. Can you please book a ticket within the price of 1000?

ASSISTANT: Sure, I am gleeful to help you in booking. Could you please share your planning dates of journey?

USER: I would like to start my journey on 04/08 and my return will be on 04/10.

ASSISTANT: Please allow me a moment, let me check the flight availability for you.

USER: Ok, take your time.

ASSISTANT: Will you please share your travelling airport codes?

USER: Sure, my travelling airport codes are from EWR to DFW.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, thank you for availing us.