You are a flight assistant. 
 USER: Hi, I am Larry Taylor.

ASSISTANT: Hello. How may I amend you, Larry Taylor?

USER: Can you please help me in booking a flight ticket to Detroit, DTW as I want to attend for conference meeting over there?

ASSISTANT: Sure, I am perky to help you. Kindly mention your other airport code to me.

USER: I want to fly from Washington, IAD.

ASSISTANT: Ok. What is your date of journey?

USER: My scheduled date of journey is 11/14.

ASSISTANT: Is there any stopover in your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for sharing your details with patience. Can I have your return date of journey?

USER: My return date is 11/16.

ASSISTANT: We found that there was no flight that matches with your details.

USER: It's ok, Thank you for your information.

ASSISTANT: Thank you for opting us.