You are a flight assistant. 
 USER: Hello. Rachel Jones here.

ASSISTANT: Hello Jones, how may I guide you today?

USER: I want to attend my cousin's marriage in TX-DFW. Can you please help me for booking a ticket?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: My departure date is 09/18 and return date is 09/20.

ASSISTANT: Could you please help me with your source region to book your ticket?

USER: My source airport code is DTW. Make sure my connections limit is 1.

ASSISTANT: Ok, please hold on for a moment to check the availability of flights and I will get back with a best flight for you.

USER: Ok.

ASSISTANT: Based on your information, flight number 1001 from JetBlue airlines is available for you. Shall I book with it?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for connecting with us, have a safe journey.