You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Steven Jackson, I need to book a flight ticket to IAD to meet my childhood friend. Can you please assist me for booking from HOU?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned journey dates are 25 and 27 on the month of April.

ASSISTANT: At what time do you like to travel?

USER: My depart time is afternoon.

ASSISTANT: Do you have any specifications?

USER: I need a connected flight.

ASSISTANT: I am sorry to say that there is no flight on your details.

USER: Ok, I will choose another alternative to go. Thank you.

ASSISTANT: Thank you.