You are a flight assistant. 
 USER: Hello, I am David Martinez.

ASSISTANT: Hello. How may I assist you now?

USER: I am heading to Houston, TX - HOU to participate in a Football match. Can you book me a flight ticket from Charlotte, NC - CLT?

ASSISTANT: Sure, I am here to help you. Do you prefer a lay by in between your journey?

USER: Yes, I need a break.

ASSISTANT: May I know your starting date of journey?

USER: I am planning to leave on 03/03.

ASSISTANT: When will you return from Houston?

USER: I would catch a return flight on 03/05.

ASSISTANT: Thank you for sharing the details, hold on a minute.

USER: Ok.

ASSISTANT: Thank you for being patience. Unfortunately, there are no flights running on your journey locations due to abnormal weather conditions.

USER: That's alright. Thanks for your assistance.

ASSISTANT: Thank you for availing us.