You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am looking for a flight ticket booking agency for my flight journey, can you help me with that one?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your take off and landing airport codes?

USER: Sure, I would like to take off at IAD location and I would like to land on HOU location.

ASSISTANT: Could you please help me with your journey dates?

USER: My planned travel dates are 8th Aug and I will arrival back on 10th Aug.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I am looking for single break over in my journey.

ASSISTANT: Is there any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your good name?

USER: Sure, my name is Alexander White.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will be waiting for your response.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Sad to hear that one, thank you for your help and searching for the flight.

ASSISTANT: Thank you for reaching us.