You are a flight assistant. 
 USER: Hi. I am Alexander Rodriguez.

ASSISTANT: Hello, May I know, how can I best help you?

USER: I am planning to conduct a sports festival at Denver. Can you help me in my booking?

ASSISTANT: Sure, I would be happy to help you in that.

USER: Thank you.

ASSISTANT: Can you please share me your source and destination airport abbreviates?

USER: My source airport code is Oakland, CA - OAK. My destination is Denver, CO - DEN.

ASSISTANT: Ok, When do you planned your schedule dates?

USER: I will start my journey on 08/04 and again I will return on 08/06.

ASSISTANT: Do you need any whistle stop in between journey?

USER: Yes, I need a flight with a layover.

ASSISTANT: Ok, just wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight found in Southwest airline of flight number 1018 and fare is 100. Shall I proceed for further?

USER: Proceed with my booking.

ASSISTANT: Sure, a ticket has been reserved on your name.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us, wish you a happy journey in Southwest airlines.