You are a flight assistant. 
 USER: Hello, Angela Collins here.

ASSISTANT: Hello, how can I help you?

USER: I want to visit the Charlotte comedy city tour with my friends, Can you book a ticket on 08/09?

ASSISTANT: Sure, we are here to help you. Can you please share your journey points?

USER: Sure, I would like to start my journey from Washington, DC - IAD. My destination airport code is NC - CLT.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my journey. My price limit is 5000.

ASSISTANT: May I know your return date of journey?

USER: I intend to return on 08/11.

ASSISTANT: Ok, please wait a while. I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately there are no flights found with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for connecting with us.

USER: Thanks for your help.

ASSISTANT: Have a good day.