You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am Charles Hernandez.

ASSISTANT: Ok.

USER: I want to go for a round trip with my family, can you help me in my booking?

ASSISTANT: Sure, I will help you out.

USER: Ok.

ASSISTANT: Will you share your travelling dates?

USER: My journey dates are from 10/20 to 10/22.

ASSISTANT: May I have your airport code?

USER: My airport code is Houston, TX - IAH.

ASSISTANT: Ok. Are you willing to travel with a connecting flight?

USER: Yes, I need a halt in my journey.

ASSISTANT: Southwest airline with flight 1007 is available with your request. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Your reservation is completed. Thank you.