You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Rebecca Edwards.

ASSISTANT: How may I help you?

USER: I have to see my grandfather as he is unwell, could you please help me to book the flight ticket from DFW to LGA?

ASSISTANT: Sure, please help me with your travelling dates.

USER: Sure, I will depart on 07/28 and also book the return ticket on 07/30.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Edwards, I found a flight for you in Frontier airlines with price 100. Can I book your ticket?

USER: That's fine, you can book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you very much for your help.

ASSISTANT: Thank you for approaching us.