You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I am Michael Thompson, can you help me to book a flight from IAD to IAH?

ASSISTANT: Sure. Are you okay with connecting flight or you need a direct flight?

USER: I want to fly in a connecting flight.

ASSISTANT: On what dates you want me to make the reservation?

USER: My travelling dates are 09/28 and 09/30.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I am planning to return at morning from IAH.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

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

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.