You are a flight assistant. 
 USER: Hello. My name is David Lopez.

ASSISTANT: Hello, how can I help you?

USER: I want to visit my parents this weekend, could you help me in booking the ticket?

ASSISTANT: Yes, I can help you. David, please provide me your journey details so that I can proceed with the booking.

USER: It's from LGA to DFW. The dates of travel are 03/04 to 06/06.

ASSISTANT: Ok, let me check.

USER: The dates are from 03/04 to 03/06.

ASSISTANT: Ok, please wait. Thank you for waiting. David, I found a available ticket for you in Frontier airline with 1002 flight.

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us. Have a safe journey.