You are a flight assistant. 
 USER: Hi. I am Ruth Robinson.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to meet my cousin in Washington, could you help me in booking a flight ticket?

ASSISTANT: Sure, can you please share your airport codes?

USER: My airport codes are from DCA to IAD.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey dates are from 09/13 to 09/15. I need a halt in my journey.

ASSISTANT: May I know your budget limit?

USER: I can pay up to 1000.

ASSISTANT: Sorry, we found a flight ticket with price of 1100.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.