You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER:  I am Barbara Carter. I am a traveller and I want to travel to Washington, DC-DCA. Can you book  a ticket  from TX-DFW?

ASSISTANT: Sure, may I know how much you can afford for this journey?

USER: My budget is 1000.

ASSISTANT: Ok, please help me with your travelling dates to proceed further.

USER:  My travel dates are 04/21 and 04/23.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for your time, we found a flight with number 1019 and airline Delta at a price of 100 with 1 connection. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a nice day.