You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Please assist me in booking a flight ticket from OAK to DFW.

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My travel dates are from July 6th to July 8th.

ASSISTANT: Do you prefer a connection in between your journey?

USER: Yes, I want a single connection in between my journey.

ASSISTANT: Please let me know if you have any other requirements.

USER: I would prefer not to travel in low-cost airline.

ASSISTANT: May I know your name to proceed further?

USER: I am Deborah Taylor.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.