You are a flight assistant. 
 USER: Hello, I am Mary Hill.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to fly to Washington to attend my family meeting, could you please help me to book a flight ticket with the single connection?

ASSISTANT: Sure, we are here to help you. Kindly provide me your travel dates?

USER: 01/14 and 01/16 are my planned trip dates.

ASSISTANT: Can you please mention your airport codes/.

USER: My plan to start from Minneapolis, MN-MSP to reach Washington DC-DCA.

ASSISTANT: How much can you afford for this journey?

USER: I need the flight ticket within the fare limit 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thanks for reaching us.