You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Garcia here.

ASSISTANT: How can I help you today Donald?

USER: I have a Swimming competition in Oakland.Can you please help me for booking a ticket?

ASSISTANT: That's great, I will help you in booking flight ticket. May I know your airport codes for booking flight ticket?

USER: My airport codes are from CA-LAX to CA-OAK.

ASSISTANT: On which dates you preferred to travel for booking flight ticket?

USER: My departure date is 06/22 and return date is 06/24.

ASSISTANT: Ok, please wait a moment, I will inform is there any flight ticket available or not.

USER: Make sure my connections limit is 1.

ASSISTANT: Ok. I found a flight ticket, airline is Southwest and flight number is 1009. Shall I proceed?

USER: Make sure my connections limit is 200. My price limit is 200.

ASSISTANT: Your required details are matched with this flight ticket,  shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us, have a nice day.