You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I need you to book a flight ticket from HOU to SEA. Please help me.

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: Please share your planned travelling dates to proceed further.

USER: July 18 and 20 are my planned travelling dates.

ASSISTANT: Kindly share if you have any connection preference.

USER: I just need a break in my journey.

ASSISTANT: Is there any other requirements for this trip to met with, so that I can find a suitable flight for your journey?

USER: Nothing to let you know.

ASSISTANT: May I know your name please?

USER: My name is Jacob Mitchell.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by AA airline that matches your essential details with the flight number-1004. Shall I book a connecting flight?

USER: Great! Please book.

ASSISTANT: Your seat has been reserved and your e-ticket will sent  to your registered email address.

USER: Thank you.

ASSISTANT: It's pleasure to serve you. You're welcome.