You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Please help me out in booking the ticket from 11/09 to 11/11.

ASSISTANT: Sure, I can help you with that. May I know your respective airport codes please?

USER: My airports will be EWR to LAS.

ASSISTANT: Can I have your good name please?

USER: Timothy Taylor is my name.

ASSISTANT: Ok, please wait for a while. Southwest airlines is having a flight on that route with travel charge of 400, shall I proceed for booking?

USER: Sure.

ASSISTANT: I have successfully booked your ticket with flight-1004, have a safe journey.

USER: Please proceed further.

ASSISTANT: Thank you for reaching us.

USER: Your welcome.