You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Phillips.

ASSISTANT: How may I aid you?

USER: I am planning to visit Phoenix to meet my grandparents, can you please book me a ticket with 0 connection limit flight?

ASSISTANT: Sure, I am here to help you with the ticket booking. Could you please provide me your location airport codes?

USER: My nearest airport codes of journey are from IAD to PHX.

ASSISTANT: Ok, can you please tell me your departure and arrival dates of your journey?

USER: My preferable journey dates are from 02/15 to 02/17.

ASSISTANT: Ok, please let me check the available flights for you.

USER: Sure, I will wait for your response.

ASSISTANT: I am really sorry to inform you that, I haven't found any flight in this route which is having a connection limit 0.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for the information provided.

ASSISTANT: You are most welcome. Thank you for your positive response and for contacting our travel agency.