You are a flight assistant. 
 USER: Hello, I am Rachel Moore from Houston.

ASSISTANT: Hello, how can I help you today?

USER: I want to participate in Rodeo & Horse Racing Festival in Washington. Kindly please assist me to book a flight ticket with a connected flight.

ASSISTANT: Sure, what is your destination airport code?

USER: My destination airport code is DC - DCA.

ASSISTANT: Ok, when do you want to travel?

USER: My travelling dates are 01/12 to 01/14.

ASSISTANT: Ok, please let me know your source airport code.

USER: It is TX - IAH.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found with flight number 1013 with a fare of 100.

USER: Ok, you can proceed.

ASSISTANT: Sure, I have booked a ticket in Delta airline with a halt.

USER: Thank you.

ASSISTANT: Thank you for reaching us.