You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Emily White.

ASSISTANT: Glad to meet you Emily.

USER: I am planning a trip from LAS to LAS with my grand father & mother, can you help in booking flight?

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

USER: My preferred date of journey is on 09/27 to 09/29.

ASSISTANT: Ok. Let me check. There is a flight with your requirements from Delta airline. Number is 1006, is it ok for you?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.