You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am planning to visit Phoenix to meet my friend, can you please book me the ticket from CLT to PHX?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My planned dates of journey are from 09/14 to 09/16.

ASSISTANT: May I know your name?

USER: My name is Jeffrey Campbell.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for availing us.