You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Myself Sarah Phillips. I am planning to meet my brother at Denver, will you help me in booking the flight ticket from DFW to DEN?

ASSISTANT: When are you planning to make your journey?

USER: My travelling dates are 06/16 and 06/18.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, not an issue. Than you for your information.

ASSISTANT: Your welcome.