You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Myself Brenda Phillips, can you help me to book a flight ticket from IAH to SEA?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Ok, please book for the dates Mar 31st and Apr 2nd.

ASSISTANT: Noted. Do you have any limitations?

USER: Yes, please book a connecting flight.

ASSISTANT: Sorry, there is no flight available on your required dates?

USER: That is ok, thank you for assisting me. I will book a ticket next week.

ASSISTANT: You are welcome, have a nice day.