You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I am Melissa Collins. I want to give a surprise to my parent's on their wedding anniversary in Dallas & Fort Worth, TX - DFW. Can you aid me in booking my flight ticket under a fare of 5000?

ASSISTANT: Sure, may I know from where you want to start your journey?

USER: I wish to start from Atlanta, GA - ATL.

ASSISTANT: Ok, can I have your travel dates please?

USER: Sure, my preferable dates would be on 07/30 and 08/01.

ASSISTANT: Ok, please wait for a minute. Let me check the availability of flights and revert to you.

USER: OK.

ASSISTANT: I am glad to notify you that, there is a Southwest airline with the fare of 300 available to you. Shall I confirm your ticket with this airline?

USER: Yes, please confirm.

ASSISTANT: Your flight has been processed with the flight number 1028 successfully.

USER: Thanks for being my helping hand.

ASSISTANT: Thanks for opting us, hope to serve you again. Have a safe journey.