You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER:  I am Deborah Scott want to travel to WA-SEA to attend meeting with clients. Can you book  a ticket from PA-PHL?

ASSISTANT: Sure, may I know your travel dates to book your ticket?

USER: My travel dates are 06/27 and 06/29.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford 5000.

ASSISTANT: We could not found any flight on your particular dates.

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

ASSISTANT: Thank you so much.