You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend an international conference, can you help me in the process of booking?

ASSISTANT: Sure, can you please share your journey dates?

USER:  I need a flight on 07/22 to attend a charity event. And I want to return on 07/24.

ASSISTANT: May I know your good name please?

USER: I am James Thomas.

ASSISTANT: Can you please provide your airport codes?

USER: Source is from SEA and destination is to SFO.

ASSISTANT: Do you have any price limit?

USER: Price limit should not exceed 1000.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that we have not found any flights with your given details.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for the information.

ASSISTANT: Thank you, have a good day.