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

ASSISTANT: Hello,. How may I assist you?

USER: I am planning to visit Heard Museum in Phoenix, can you please help me to book a flight ticket with fare 500?

ASSISTANT: Please provide your travel dates.

USER: My journey dates are 01/01 to 01/03.

ASSISTANT: Please provide your travel codes.

USER: I need to fly out from MSP to PHX.

ASSISTANT: Connecting flight can be booked with airline Southwest having flight number 1009, price is 100.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you.