You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you?

USER:  I am Anna Thomas want to travel to MI-DTW to meet my parents. Can you book a ticket from WA-SEA?

ASSISTANT: Sure, I will be help you. Can you please help me with your travelling dates?

USER: My travelling dates are 12/30 and 01/01.

ASSISTANT: May I know your budget for an airline reservation?

USER: My budget is 200.

ASSISTANT: We are sorry to notify that there is no flights found with your given details.

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

ASSISTANT: Thank you for reaching us.