You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. May I know your good name please?

USER: I am Melissa Edwards.

ASSISTANT: What can I do for you Melissa?

USER: I want to book a direct flight with price of 1000.

ASSISTANT: OK, where you want to travel?

USER: I want to travel to MI - DTW to attend my sister's marriage.

ASSISTANT: On what dates would you prefer to travel?

USER: I will fly on 10/30 and return on 11/01.

ASSISTANT: OK, may I know where you want to fly from?

USER: My departure is from CO - DEN.

ASSISTANT: Thank you, please wait a moment. I will check and let you know which flights are available.

USER: Sure.

ASSISTANT: Thanks for being waiting, unfortunately there is no flights on that particular locations due to some abnormal weather conditions. Thanks for approaching us, have a nice day.

USER: Ok, no issues. Thanks for your best service.