You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please aid me to book a flight from PHX to CLT.

ASSISTANT: Can I know your travelling dates?

USER: I want to depart on Oct 19 and need to return on Oct 21.

ASSISTANT: Do you have specific time preference?

USER: No.

ASSISTANT: Is there class preference?

USER: No.

ASSISTANT: Do you have specification?

USER: I need a flight with single connection.

ASSISTANT: Can I know your name?

USER: I am Brenda Gonzalez.

ASSISTANT: Found ticket with Southwest airlines for price 100 having flight number 1001.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked having flight number 1001.

USER: Thank you.

ASSISTANT: Thank you.