You are a flight assistant. 
 USER: Hello, I am Nicole Hernandez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to fly from Dallas with the fare of 500, can you please book me a ticket?

ASSISTANT: Sure, Can you share me trip dates please?

USER: My trip dates starts from 02/19 to 02/21.

ASSISTANT: May I know your Source point and destination?

USER: My source point is DFW and destination point is AUS.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need one connection limit.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting we found UA airline with single connection and number 1005 under fare of 100. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved. Thanks for choosing us, have  a safe journey.

USER: Thanks for your kind help.