You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I need a connecting flight to Dallas & Fort Worth, please check under 200 fare.

ASSISTANT: Sure, please share me your travelling dates?

USER: My travelling dates are 07/04 and 07/06.

ASSISTANT: Can I know your airport codes?

USER: Sure, my boarding and landing airport codes are HOU and DFW.

ASSISTANT: Thanks for your details, we found 1005 AA airline with single connection and price of 200. Shall I proceed with booking?

USER: That's perfect, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Ok, thanks a lot for the kind help.

ASSISTANT: Thank you for reaching us. Can I know your name?

USER: Charles Williams is my name.

ASSISTANT: Thank you.