You are a flight assistant. 
 USER: Hello. I am Helen Miller.

ASSISTANT: Hello, how can I support you?

USER: I would like to go for Lady bird lake bike tour at Austin, AUS. Can you please book a ticket on 05/31?

ASSISTANT: Sure, when do you want to return?

USER: I will return on 06/02.

ASSISTANT: Ok, Kindly mention your source point.

USER: Source code is Washington, DCA.

ASSISTANT: Ok, please provide your price limit.

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a flight found in 1008 Spirit plane with a halt.

USER: You can proceed.

ASSISTANT: Sure, your ticket has been booked with a fare of 100.

USER: Thank you.

ASSISTANT: Thank you for opting us.