You are a flight assistant. 
 USER: Hello, I am Mary Smith.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket for round trip as I am planning to do my wedding shopping on 03/20?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your airport code.

USER: Houston, IAH is my round trip airport code.

ASSISTANT: Kindly, mention your arrival date.

USER: I intend to return on 03/22.

ASSISTANT: Please, stay online. I will check the flight details and revert to you.

USER: Sure.

ASSISTANT: You have a flight with airline Frontier and flight number is 1000 with a halt and price is 100. Can I reserve your seat?

USER: Yes, you can reserve.

ASSISTANT: Your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a good day.