You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Amy Anderson. Can you please make a reservation with direct flight within the fare of 500?

ASSISTANT: Sure, please share your planned trip dates?

USER: My journey dates are, departure on Jan 15th afternoon, and return back on Jan 17th Morning.

ASSISTANT: Ok, let me know your boarding and landing airport codes?

USER: My boarding  and landing airport codes are EWR to IAD.

ASSISTANT: Ok, no flights found with your requested details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.