You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brenda Gonzalez.

ASSISTANT: How can I help you, Brenda?

USER: I am planning to visit Chicago, can you please book me a ticket from DFW to ORD?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My preferable journey dates are from 07/23 to 07/25.

ASSISTANT: Please give me a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight in UA airlines available with price 100. Shall I book the ticket for you?

USER: Please book my ticket with this airlines.

ASSISTANT: I confirmed your ticket with 1006 flight.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.