You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how  may I assist you?

USER: I want to explore Seattle Space Needle from the top, can you please help me with the flight ticket booking?

ASSISTANT: Sure, I can assist you with that. Could you please mention your travel airport codes?

USER: Sure, I will travel from DCA to SEA.

ASSISTANT: Ok, on which dates you are willing to travel?

USER: I will start my travel on 12/19 and finish on 12/21.

ASSISTANT: Ok, please tell me your name to proceed further.

USER: Sure, my name is Amanda Evans.

ASSISTANT: Ok, please allow me sometime to check the flight availability.

USER: Sure.

ASSISTANT: There is a flight with the connection limit 1 and the price is 400 in the Southwest airline. Can I proceed with the ticket booking?

USER: I can spend only 200. Do you have any holiday discount?

ASSISTANT: Actually, there is an offer presently going on for the first 50 customers who reach our agency. So, you are one of the lucky customer and we are happy to provide you the discount. Would you accept this offer and proceed your ticket booking?

USER: Ok, please proceed.

ASSISTANT: Yes, I have reserved your ticket with the above mentioned flight and the flight number is 1012. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: You are most welcome. Thank you for reaching us.