You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Johnson.

ASSISTANT: How can I help you?

USER: I am planning to visit Downtown Aquarium in Houston, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My planning dates are from 02/01 till 02/03.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from SEA to HOU.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1020 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.