You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Nicholas Allen. Please help me in making a reservation from DFW to DCA to attend a family function.

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Do you need any connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are from 07/08 to 07/10.

ASSISTANT: We found a Southwest airline, flight number:1007 and the price is 100. Can I reserve it?

USER: Yes, please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for  picking us.