You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Anthony King. I would like to book a flight ticket for me from LAS to DCA.

ASSISTANT: Ok, do you have any specifications?

USER: Yes, please look for a flight with single connection.

ASSISTANT: Can you share your travelling dates?

USER: I am planning to move on 09/12 and fly back on 09/14.

ASSISTANT: Give me a minute.

USER: Ok, please take your best time.

ASSISTANT: There is a flight with number 1015 in airline Southwest. Can I book it?

USER: Please go ahead.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your best service.

ASSISTANT: Thank you for reaching us.