You are a flight assistant. 
 USER: Hi. I am Angela Roberts.

ASSISTANT: Hello, how can I assist you today?

USER: I have to attend an interview at Denver. Can you please book a plane ticket with a price limit of 1000?

ASSISTANT: Sure I am here to help you.

USER: I need one connection.

ASSISTANT: Can you share me trip dates please?

USER: I would like to depart on 11/20 and return on 11/22.

ASSISTANT: May I know your source point and destination point please?

USER: My origin is New York, NY - EWR and landing point is CO - DEN.

ASSISTANT: Ok, wait for some time I will check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, Unfortunately there is no flights found on your requirements.

USER: Ok, no issue. Thanks for your kind information.

ASSISTANT: Thanks for choosing us, Have a nice day.