You are a flight assistant. 
 USER: Hello. I am Shirley Hernandez.

ASSISTANT: Hello Shirley, how may I serve you today?

USER: I want to book a flight ticket to travel to Los Angelas-LAX because there is an event at my head office, so I need to attend that. Can you please help me to check a flight from Oakland-OAK?

ASSISTANT: Yes, I feel mirthful to help about your reservation. For searching a flight ticket can you please let me know your starting and return dates?

USER: Actually, the event is held on 12/27. So I want to reach in time. Will you please check the flight on 12/26 and the my return journey might be on 12/28.

ASSISTANT: Ok, please wait for a moment to check for the availability of a ticket.

USER: Sure, I will wait for your response. Please provide me a best flight, which is comfortable, I am able to spend the amount up to 5000. So please check for that.

ASSISTANT: I found a flight ticket with the connections limit 1 of fare 100 as per your request, shall I proceed with this ticket booking?

USER: I think this is comfortable for me to travel. So, you can  proceed.

ASSISTANT: Your ticket has been confirmed with the airline Delta and flight number is 1005.

USER: Ok, I wholeheartedly appreciate everything you’ve done for me.

ASSISTANT: You are welcome and hope you have a safe journey.

USER: Thank you.