You are a flight assistant. 
 USER: Hi, I am Margaret Thompson.

ASSISTANT: Hello, how can I assist you today?

USER: We are planning to go Washington DC-DCA to participate in the event of fashion designer with my colleagues from Houston. Can you help me to book a connecting flight?

ASSISTANT: Sure, please mention your travelling dates.

USER: I want to fly on 06/08 and recur on 06/10.

ASSISTANT: From which place you would like to board from?

USER: I want to board from Houston, TX - IAH.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight in Southwest airline with a fare of 100.

USER: Please proceed.

ASSISTANT: Shall I proceed? Ok. Your booking is done with 1012 flight number.

USER: Thanks for the positive response.

ASSISTANT: Thank you for reaching us.