You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Anthony Johnson. Can you help me in booking a ticket from 06/04 to 06/06.

ASSISTANT: Yes, I can help you.

USER: Thanks.

ASSISTANT: Could you tell me your nearest airport codes?

USER: My airport codes are SEA and HOU.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a flight ticket with a fare of 600 and 1 connection.

USER: I can upto 500 only, please check with that.

ASSISTANT: Sorry, there is no flight found with in your budget.

USER: That's fine. I will try other alternative. Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.