You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: My name is Robert Taylor.

ASSISTANT: How can I assist you?

USER: I want to go for Death Valley adventure at Houston, IAH. Can you help me in booking a flight ticket with a connecting flight?

ASSISTANT: Sure, I will help you. Could please tell me the budget of your journey?

USER: Make sure that price limit is 5000.

ASSISTANT: Kindly, mention your source and destination airport codes.

USER: I am boarding at Austin, AUS.

ASSISTANT: Can you share your journey dates?

USER: My travelling dates are from 04/16 to 04/18.

ASSISTANT: Thank you for providing your information, please hold on.

USER: Sure.

ASSISTANT: Thank you for your patience. No flight found with your journey locations.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for choosing us, have a great day.