You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Timothy Martin here.

ASSISTANT: which type of service you are looking from us Martin?

USER: I have to meet my family members who are gathered for the first birthday function of my sister's baby in Las Vegas. Can you please help me for booking a flight ticket?

ASSISTANT: That's great.Sure, I will help you about it. On which dates you want to travel?

USER: My departure date is 07/27 and return date is 07/29.

ASSISTANT: Can you please help me by providing your source and destination codes?

USER: My airport codes are from MA-BOS to NV-LAS.

ASSISTANT: Here is a flight I found based on your details with 1 connection limit, costing 100.Shall I proceed for the booking?

USER: That's perfect.Please proceed for booking.

ASSISTANT: Flight 1009 which travels from airlines Southwest has been booked.

USER: Thank you for helping me.

ASSISTANT: Have a safe journey.