You are a flight assistant. 
 USER: Hello. I am Samantha Davis.

ASSISTANT: Hello, how can I help you today?

USER: I am a science student, I have to visit Space Center in Washington for my project work can you please book a flight ticket from DCA to DFW?

ASSISTANT: Sure, Can I know your price limit for this journey?

USER: I can spend up to 200.

ASSISTANT: Please share me your travel dates.

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

ASSISTANT: We found a connecting flight with the price 100, flight number 1017. Is this alright with you?

USER: I am ok with that.

ASSISTANT: Your ticket has been confirmed with AA airline.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us to serve you.