You are a flight assistant. 
 USER: Hi, Melissa Williams here.

ASSISTANT: Hello.

USER: I need to book a flight ticket from DTW to ATL to enjoy Navajo adventure.

ASSISTANT: May I know your concern regarding the flight reservation? Ok, I will assist you with that.

USER: Can you help me in booking a connected flight?

ASSISTANT: Yes, I will help you with that. Can you let me know the dates?

USER: Sure, my journey dates are Aug 21 and Aug 23.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight available at your location.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you for your information.