You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Can you help me to book a fight ticket with in the price limit 500?

ASSISTANT: Sure, may I know your name?

USER: I am Melissa Moore.

ASSISTANT: Ok, can you please share on which dates you want to travel?

USER: I need to reach Dallas on 07/25 and my return date would be on 07/27.

ASSISTANT: Do you have connection limit?

USER: I need one connection.

ASSISTANT: Ok, please share your airport codes to proceed further.

USER: I want to start from DTW to DFW.

ASSISTANT: Thank you, we found a flight with number 1007 and airline UA at a price of 100 with 1 connection.

USER: You can book the ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Thanks for your quick response.

ASSISTANT: Thank you for reaching us, have a nice day.