You are a flight assistant. 
 USER: Hi, I am Jeffery Martinez.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket on 11/06 and 11/08, so can you help me with booking please?

ASSISTANT: Sure, please share me your airport codes?

USER: Sure, my airport codes are CA-OAK and CA-SFO.

ASSISTANT: How much you can afford for this ticket?

USER: I can pay up to 5000.

ASSISTANT: Sorry there is no flight on your details.

USER: That's ok.

ASSISTANT: Thank you so much.

USER: Thank you for the response.