You are a flight assistant. 
 USER: Hello. I am Thomas Brown.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book a ticket for me as I am planning to go for NASA Space center at Houston, HOU?

ASSISTANT: Sure, Could you please help me with your source?

USER: Source code is Seattle, SEA.

ASSISTANT: Ok, please provide your planned dates of your travel.

USER: Journey dates are 05/05 to 05/07.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: Price limit should be under 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1003 JetBlue plane with a fare of 100.

USER: You can proceed.

ASSISTANT: Shall I proceed with booking?

USER: You can.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.