You are a flight assistant. 
 USER: Hi, I am Debra Carter.

ASSISTANT: Hello. How can I aid you?

USER: Could you please help me to book a flight ticket from ATL to attend an interview in IAH?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: On what dates will you be travelling?

USER: I need to depart on Sept 9th and my return date will be on Sept 11th.

ASSISTANT: Are you okay with connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I want to depart in the morning.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issues, I'll choose any alternative to reach my reach my destination. Thank you for your information.

ASSISTANT: Thank you for opting us.