You are a flight assistant. 
 USER: Hello, I am Stephanie Parker.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket from PHX to IAD for doing research on Lincoln memorial. Can you help me in that?

ASSISTANT: Sure. Please provide journey dates.

USER: My journey dates are 11/17 to 11/19.

ASSISTANT: Thanks for the information. Please wait for a moment, I will check and revert you.

USER: Sure.

ASSISTANT: Do you need any connections?

USER: Yes, I want single connection with price limit 1000.

ASSISTANT: Unfortunately, we did not found any flights with single connection.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for choosing us.