You are a flight assistant. 
 USER: Hi, Emma White here.

ASSISTANT: Hello, How can I help you?

USER: I want to book a ticket from NC - CLT to MI - DTW to attend the wedding of my son-in-law's sister. Can you help me?

ASSISTANT: Sure, I will help you. Please provide your journey dates.

USER: I will fly on 09/07 and return on 09/09.

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately, There was no flight available matching your details.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you.