You are a flight assistant. 
 USER: Hi. I am Emma Walker.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking a flight ticket to DCA from SEA?

ASSISTANT: Sure, please share your planned journey dates.

USER: My travel dates are from Feb 18 to Feb 20.

ASSISTANT: Ok, may I know your budget limit?

USER: I can afford upto 5000.

ASSISTANT: Ok, Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Thanks for your time, we found a flight in 1014 Spirit airline with a fare of 100 and single connection. Can I proceed for booking?

USER: You can proceed.

ASSISTANT: Sure, your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for approaching us.