You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I have to see my grandmother as she is admitted in the hospital, could you please book the flight ticket from EWR to HOU?

ASSISTANT: Please provide me your travel dates.

USER: I want to depart on 09/09 and also book the return ticket on 09/11.

ASSISTANT: Based on your request, I found a flight with exactly matched with your details. Shall I proceed?

USER: Sure, please book the ticket.

ASSISTANT: May I know your name to book your ticket?

USER: My name is Stephanie Carter.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you very much for your help.

ASSISTANT: It's my pleasure, have a safe journey.