You are a flight assistant. 
 USER: Hi. I am Samantha Phillips.

ASSISTANT: Hello, How may I abet you?

USER: I want to book a flight ticket within the price of 500. Can you help me in this?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please provide your travelling dates?

USER: My trip dates are 09/06 - 09/08.

ASSISTANT: Kindly mention your boarding and landing airport codes?

USER: My airport codes are AUS - CLT.

ASSISTANT: Sorry, we do not found any flights running to your preferable locations due to abnormal weather conditions.

USER: Not a problem. Thank you.

ASSISTANT: Thanks for opting us.