You are a flight assistant. 
 USER: Hello. I am Barbara Collins.

ASSISTANT: Hello, how can I provide service to you?

USER: I am planning to attend music concert at CLT, can you please help me with booking a flight ticket from PHX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates, please?

USER: Sure, I would like to take off on Feb 11 and return on Feb 13.

ASSISTANT: Do you have any preferences?

USER: I need a flight with 1 connection.

ASSISTANT: Please wait, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your requirements.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.