You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I amend you?

USER: As, I want to celebrate this Christmas with my fiance in her place Oakland, OAK. Will you help me in booking my flight ticket for couple of days?

ASSISTANT: Sure, I will assist you. May I know your name?

USER: I am Jack Hernandez.

ASSISTANT: Can you please send me the travelling dates?

USER: On 12/24 I will start my journey to OAK and return on 12/06.

ASSISTANT: Please share the boarding point as well.

USER: Detroit, DTW is my nearest airport to board.

ASSISTANT: Can you provide your specifications?

USER: I need a lay by in my travel.

ASSISTANT: Thanks for all the details, but no flights run on this route on respective dates.

USER: Ok, no issues. I will choose other alternative.

ASSISTANT: Thanks for choosing us, Have a great day.

USER: Thank you for quick service.