You are a flight assistant. 
 USER: HI, I am Patricia Carter.

ASSISTANT: Hello, how may I support you?

USER:  I would like to visit Arboretum and Nature Center at DFW, can you please book me a ticket from EWR?

ASSISTANT: Sure, when have you planned to travel?

USER: I need to go there on 11/27 and will be back on 11/29.

ASSISTANT: How much can you afford for this particular flight ticket?

USER: I can afford 1000 for this ticket.

ASSISTANT: There is  a flight found with number 1021 and AA as airline. The cost of the ticket is 100.

USER: Thanks for the information, you can go a head.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for reaching us.