You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Please book a ticket from Houston, TX-IAH to Dallas & Fort Worth, TX-DFW for festival celebrations.

ASSISTANT: Sure, I am here to assist you. Can you please help me with your journey dates?

USER: Depart is by 05/18 and 05/20 is return.

ASSISTANT: May I know your name please?

USER: I am Helen Evans.

ASSISTANT: Thank you for providing the details, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 200 in 1002 Delta airline. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thank you for choosing us.