You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anna Harris. I am planning to go for comic show at Houston, HOU. Can you please book a ticket from Seattle, SEA?

ASSISTANT: Ok, when do you want to travel?

USER: Travelling dates are 05/26 to 05/28.

ASSISTANT: How much you can afford?

USER: I can afford 1000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a flight on Jetblue airline, flight number as 1018, with the fare of 100. Shall I book it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.