You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Walker here.

ASSISTANT: Walker, how can I assist you?

USER: I want to participate in Boston marathon. Can you help me by booking my flight ticket from CLT to BOS?

ASSISTANT: Sure, I am happy to help you Walker. May I know your trip dates?

USER: My itinerary dates are 02/18 and 02/20.

ASSISTANT: Ok, I will check for the available flights and get back to you.

USER: Make it fast.

ASSISTANT: Flight-1027 is available with Southwest airlines and the ticket fare is 200 only. Is that ok for you?

USER: You can confirm my ticket.

ASSISTANT: Sure, I have booked your ticket.

USER: Thank you for helping me.

ASSISTANT: You are welcome and have a safe journey.