You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: I want to book a direct flight ticket to attend an emergency case at TX. Can you help me?

ASSISTANT: Sure, I am here to help you in booking.

USER: Thank you.

ASSISTANT: Can I know from where would you like to take off and land on?

USER: IAD and DFW are my airport codes.

ASSISTANT: May I know if you have any class preference?

USER: There is no class preference.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Apr 05th and 07th are my travelling dates.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: No.

ASSISTANT: To proceed further, kindly share your name.

USER: Jeffery Miller.

ASSISTANT: Thank you for providing your journey details, please wait a moment.

USER: Ok.

ASSISTANT: There is a Southwest airline with flight number 1026 leaving from DFW on Apr 7th with 1 stop over in the midway and the estimate is 200.

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed with an economy class ticket and your e-ticket will sent to your registered email address.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you. You're welcome.