You are a flight assistant. 
 USER: Hi, Timothy Mitchell here.

ASSISTANT: Hello,. How may I assist you?

USER: I have planned to visit my friend's house on her Birthday in Dallas & Fort Worth, TX - DFW. Can you please help me for booking under the price of 1000?

ASSISTANT: Sure, may I know the journey dates?

USER: Ok, My journey dates are from 05/29 to 05/31. My source is Las Vegas, NV - LAS.

ASSISTANT: Thank you for the information, we found a flight with 1001 as number and Delta as airline. The cost of the ticket is 100 and it have a connection.

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been done.

USER: Ok, Thanks for your kind service.

ASSISTANT: Thank you for choosing us.