You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Cynthia Martin. Me and my best friend decided to go Wet'n'wild Splash Town which is at Houston, can you please book a flight ticket for us?

ASSISTANT: Sure, I can help you with that. Could you please provide your preferable travel dates?

USER: Sure, we will go on 10/19 and stay for 1 day and then we will return on 10/21.

ASSISTANT: Can you please provide the source and the destination airport codes?

USER: We will start our journey from PHL and land on HOU.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok, take your time.

ASSISTANT: Cynthia, there is a flight available with JetBlue airline and the price 300. Shall I proceed to book a flight ticket?

USER: Sure, it's ok for me, please book it.

ASSISTANT: Your booking is confirmed with 1021 flight number.

USER: Thank you so much for your service.

ASSISTANT: You are welcome. Thank you for choosing our service.