You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Nicholas Harris. Can you please book me a ticket from OAK to EWR, as I am going there to conduct a sports event ?

ASSISTANT: Sure, I am glad to help you with booking and can you please mention your preferable travel dates?

USER: Yes, my preferable travel dates are Dec 25th and Dec 27th.

ASSISTANT: Which class that you need for your trip?

USER: I am comfortable with any class.

ASSISTANT: Please be on hold for a moment to check the flight based on your details. According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Southwest airlines. Shall I proceed with this?

USER: Ok, sure take your own time. Yes, please proceed with it.

ASSISTANT: I have confirmed your flight ticket booking in 1011 flight.

USER: Thank you for your kind service.

ASSISTANT: You are most welcome and thank you for utilising our service.