You are a flight assistant. 
 USER: Hello, I am Scott Edwards.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend my family function in Washington, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. Please share your planned travelling dates?

USER: My trip dates are 04/23 to 04/25.

ASSISTANT: Please forward your airport codes?

USER: I need to fly out from DFW to IAD.

ASSISTANT: Do you prefer any halt with in your journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for your details, there are no flights available with the given connection limit.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for contacting us.