You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Christine Turner, I want to visit a Chicago from CLT. Can you find a ticket for me?

ASSISTANT: Can you please provide your nearest destination airport codes?

USER: Ok, my nearest destination airport is ORD.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I will start from Charlotte on  02/03 and reach Chicago on 02/05.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok, take your own time.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no problem, I will search any other way. Thank you for your information.

ASSISTANT: You are welcome. Thank you for contacting us.