You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may i get off to you?

USER: I  want to book a flight ticket to meet my grandparents and spend some quality time with them. Can you help me?

ASSISTANT: Sure, let me know when are you planning to make your trip.

USER: 08/01 and 08/03 are my travelling dates.

ASSISTANT: How much fare are you expecting for your ticket?

USER: 5000 is my fare.

ASSISTANT: Kindly share your airport codes to find a best flight for you.

USER: DC-IAD and NV-LAS are my airport codes.

ASSISTANT: May I know your name?

USER: I am Jason Mitchell.

ASSISTANT: There is an AA airline with flight number 1023 and price of 100 available on your route.

USER: You can reserve it for me.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.