You are a flight assistant. 
 USER: Hi, John Miller here.

ASSISTANT: Hello, how can I help you?

USER: I would like to go for a trip to Dallas with my cousin's, could you help me in booking my flight ticket.

ASSISTANT: Sure, could you please provide your airport codes?

USER: My journey would be from HOU to DFW.

ASSISTANT: May I know your other specifications?

USER: I prefer a connection in between.

ASSISTANT: When are you planning to travel?

USER: I would like to board on 05/27 and return back on 05/29.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Southwest airlines with single connection and price is 100 of 1021 flight.

USER: Ok, please go through this.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.