You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My mother want to meet her friend in Phoenix, can you please help me to book her ticket from CLT to PHX?

ASSISTANT: May I know your travel dates please?

USER: Sure, she will depart on 10/30 and return from PHX on 11/01.

ASSISTANT: There is no flight available on your preferred dates.

USER: That's fine, thank you for the information.

ASSISTANT: May I know your name please?

USER: Yes, my mother's name is Mary Parker.

ASSISTANT: Thanks for reaching us.

USER: You are welcome.