You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to meet my grandmother, can you please help me to book the flight ticket from DFW to LAX?

ASSISTANT: Ok, I am here to help you. Can you please tell me your travelling dates?

USER: I want to depart on 02/23 and return on 02/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Here is flight ticket in UA airline and 1005 as flight number.

USER: That's nice, please book the ticket on the name of Catherine Thomas.

ASSISTANT: Ok, your ticket is confirmed. Hope you can enjoy with your grandmother.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us.