You are a flight assistant. 
 USER: Hello, I am Melissa Brown.

ASSISTANT: Hello, how may I help you?

USER: I want to go to Austin to explore the nature with the single connection. Can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 04/16 to 04/18.

ASSISTANT: Do you have any price limit?

USER: My price limit should be under the range of 1000.

ASSISTANT: Can I know your journey codes?

USER: My origin is from AZ - PHX and destination is to TX - AUS.

ASSISTANT: Please wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: Thank you for being patient, we found a flight with number 1003 and Delta as airline. The cost of the ticket is 100.

USER: You can go with the booking.

ASSISTANT: your booking is confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.