You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight on the route from DFW to LGA for my friend's birthday, can you help me?

ASSISTANT: Sure, may I know your trip dates?

USER: I will be travelling from 07/01 to 07/03.

ASSISTANT: Ok, may I know your name please?

USER: John Williams.

ASSISTANT: The AA airline with flight number 1019 is available having price as 200 and connection as 1. Shall I proceed booking?

USER: Ok, please book it for me.

ASSISTANT: Ok, your reservation is  done.

USER: Thank you for helping me.

ASSISTANT: Thank you.

USER: Most welcome.