You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Melissa Collins here. Please help me out in booking the ticket from ORD to LAS to meet my best friend.

ASSISTANT: Sure, I will help you with that Melissa Collins. Can you please provide your planned dates of journey?

USER: My trip dates will be Sept 04 to Sept 06.

ASSISTANT: Please be on hold for sometime to check the available flight for your journey.

USER: Ok, take your time.

ASSISTANT: There is a flight with a halt in between your journey having a ticket fare of 100 which is provided by Southwest airlines. Would you like to book this flight for your journey?

USER: Please proceed further.

ASSISTANT: I have booked your flight ticket with the flight 1002 in an economy class.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for reaching out here. Have a safe journey.