You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Lake Merritt at Oakland, please help me in booking my ticket.

ASSISTANT: Sure, please provide me your respective airport codes.

USER: My airport codes are from DFW to OAK.

ASSISTANT: May I know your name please to proceed further?

USER: My trip dates are from 05/22 to 05/24. My name is Carolyn Rodriguez.

ASSISTANT: Sure, please wait Carolyn.

USER: Sure.

ASSISTANT: Carolyn, there is a flight with Hawaiian airlines available with price 100. Shall I book the ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed with flight number 1000.

USER: Thank you for your response.

ASSISTANT: Thank you for utilising our services, have a safe journey.