You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Linda Parker here.

ASSISTANT: How can I assist you?

USER: Can you book me a ticket from PHL to DFW?

ASSISTANT: Can I know your travel dates?

USER: Ok, here are my trip dates 05/27 and 05/27. Sorry, my departure date is 05/25.

ASSISTANT: Ok, please hold on for a minute.

USER: Ok.

ASSISTANT: The flight 1011 of Hawaiian airlines is available on your requested dates. Shall I proceed.

USER: Please book the ticket.

ASSISTANT: Linda, your reservation has done successfully.

USER: Thank you for the help.

ASSISTANT: You are welcome.