You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you today?

USER: I am Samantha Allen. I want to book a normal-cost airline to meet my parents. Can you help me?

ASSISTANT: Sure, we are gleeful to assist you.

USER: Thank you.

ASSISTANT: May I know your depart and arrival timings?

USER: My depart and return times should be evening.

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

USER: 09/15 and 09/17 are my travelling dates.

ASSISTANT: Which airports do you prefer to depart and land on?

USER: SEA and IAD are my airport codes.

ASSISTANT: Please let me know if you need a connecting flight.

USER: I need a break.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for sharing your journey details, we found a economy class ticket in Delta airline with flight number-1019.

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed with the connecting flight and your depart time will be in the evening.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you.