You are a flight assistant. 
 USER: Hello. I am Samantha Green.

ASSISTANT: Hello, how may I help you?

USER:  I am planning to spend my holidays with my parents at CA-OAK. Can you book a ticket from TX-DFW?

ASSISTANT: Sure, can you please share your trip dates?

USER: My travel dates are 05/17 and 05/19.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, we found a connecting flight with your given details, shall I proceed?

USER: Ok,. Do not proceed.

ASSISTANT: Ok. Thanks for choosing us.

USER:  Thank you for your response.