You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Myself Paul Perez from Oakland. Can you please book a flight ticket from OAK to JFK?

ASSISTANT: When you are planning to depart and arrive?

USER: Thank you for your response, I want to take off on Aug 17 and also confirm my return ticket too on Aug 19.

ASSISTANT: Please share me your budget for flight ticket.

USER: I can spend up to 5000 so please check with that.

ASSISTANT: We found a connecting flight with an airline Southwest of flight 1010 and cost is 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.