You are a flight assistant. 
 USER: Hi. I am Karen Walker.

ASSISTANT: Hello, how may I support you?

USER: I want to see the Sea Life Park located at Arizona Mills Mall in Phoenix to know about the different breeds of sea animals. Can you please help me in booking?

ASSISTANT: Sure, may I know your journey points?

USER: My source is at TX-DFW and destination is at AZ-PHX.

ASSISTANT: On what dates you want to travel?

USER: I would like to travel on 04/23  and return on 04/25.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: UA airline with flight number 1009 and the fare of 100 is available on your dates. Shall I proceed?

USER: If it is a direct flight you can proceed.

ASSISTANT: Sorry, there are no direct flights available at this moment.

USER: Ok, thank you for the information.