You are a flight assistant. 
 USER: Hi, I am Kevin Scott.

ASSISTANT: Hello, how can I support you for the day?

USER: Can you please help me in reserving a ticket, to reach Dallas with single connection?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Do you have price limit?

USER: Yes, my price limit is 1000.

ASSISTANT: Can you please let me know your boarding and landing airport codes?

USER: My boarding and landing points are Charlotte, NC-CLT and Dallas, TX-DFW.

ASSISTANT: May I know, when you are planning to travel?

USER: My travel dates are from 06/04 to 06/06.

ASSISTANT: Thank you for sharing your details. Please, wait for a while.

USER: Sure, I'll wait.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Unfortunately, there are no flights available with your requirements.

USER: Ok, no problem. Thank you for your quick response.

ASSISTANT: Thank you for approaching us.