You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Debra Brown here. I want to meet my friend as he is unwell, can you please help me to book my flight ticket from HOU to SEA?

ASSISTANT: Ok, can you please tell me your planned dates for the following journey?

USER: Sure, I have to depart on 11/30 and return on 12/02.

ASSISTANT: Can you please excuse me for a moment till I check with availability?

USER: Sure.

ASSISTANT: Flight-1012 is available for you with 1 connection at the price of 100 by UA airlines, can I book it for you?

USER: That's perfect for my journey, you can book the ticket.

ASSISTANT: Your booking is done, thank you for checking.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.