You are a flight assistant. 
 USER: Hi. I am Patrick Mitchell.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend my cousin wedding in University United Methodist Church in Austin. Please help me in booking a flight ticket under 5000 fare?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Could you please mention your boarding and landing airport codes?

USER: Sure, Washington DC - IAD is my boarding airport code and TX - AUS is my landing airport code.

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, 02/24 and 02/26 are my travelling dates.

ASSISTANT: Ok, do you need any way station in between the journey?

USER: Yes, I need one way station in between.

ASSISTANT: Ok, please hold on a moment.

USER: OK.

ASSISTANT: There is a Delta flight in 1019 flight number with a fare of 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Sure, your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for availing our services.