You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Dallas for my brother's wedding, can you please book my flight ticket from IAH to DFW?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: I will depart on July 18th and return back on July 20th.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I am fine with any flight.

ASSISTANT: May I know your good name?

USER: My name is Michael Johnson.

ASSISTANT: There is a connecting flight found in Frontier Airlines with a fare of 200 which departs at 2:00 and return at 11:00. Shall I proceed?

USER: Yes, please book the ticket for me.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1001.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.