You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samuel Gonzalez. I am planning to attend a cultural event in Austin, so please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on 03/26 and return on 03/28.

ASSISTANT: Can I know your journey codes?

USER: My airport codes are WA - SEA, TX - AUS.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: We found a flight with number 1003 and Spirit as airline. The cost of the ticket is 100.

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.