You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for a day?

USER: I need to reserve a flight ticket from CLT to DEN. Because I had a Chess competition in Denver. Will you help me?

ASSISTANT: Sure, I will help you.Can I know your dates of journey for the Chess competition?

USER: My dates of journey are 06/04 and 06/06.

ASSISTANT: Sorry, there is no airline providing service on this route on given dates. Firstly, can I know your name?

USER: It's ok, thank you for checking for the flights. My name is Patricia Lewis.

ASSISTANT: Ok, Patricia is there any offers from our service about the flight tickets we will let you know. Thank you, hope you have a great day a head.

USER: Ok, thank you.