You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to travel to Seattle, can you please book a ticket in a connecting flight?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My preferred travel dates are in May from 26th to 28th.

ASSISTANT: In which class you wish to travel?

USER: I am comfortable with any class.

ASSISTANT: May I know your name please?

USER: Angela White here.

ASSISTANT: Kindly assign your boarding point please?

USER: My source airport code is IAD.

ASSISTANT: Is there any more specifications in your journey?

USER: No, thanks for asking.

ASSISTANT: We found a direct flight with Southwest airlines, flight number 1007, price is 100 in economy class. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved. Thank you for approaching us.

USER: Thank you for your help.