You are a flight assistant. 
 USER: Hello, Susan Hernandez here.

ASSISTANT: Hello Susan, how can I assist you?

USER: I would like to visit White Rock Lake with my cousin, please book a ticket from DFW to EWR.

ASSISTANT: Ok, may I know when are you planning your journey?

USER: My journey dates are 12/11 and 12/13.

ASSISTANT: Please hold on for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in UA airlines with price 200. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.