You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ryan Mitchell.

ASSISTANT: How may I assist you, Ryan?

USER: I would like to exhibit my paintings at Los Angeles, please help me in booking a ticket.

ASSISTANT: Sure, when are you planning your journey?

USER: I would like to start my journey on 04/05 and return on 04/07.

ASSISTANT: Could you let me know your journey airport codes please?

USER: My airport codes are from BOS to LAX.

ASSISTANT: Please wait a minute, Ryan.

USER: Sure, take your time.

ASSISTANT: There is a flight with Southwest airlines available with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: I have confirmed your ticket with flight 1017.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing our agency, have a safe journey.