You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a ticket from the airport LAX to IAD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Ok, please can I know if there is available for the dates June 7th and 9th respectively?

ASSISTANT: May I know your name?

USER: My name is David Edwards.

ASSISTANT: Do you have any specifications?

USER: Can you check for a connecting flight?

ASSISTANT: Please give me a moment.

USER: Ok, take your own time.

ASSISTANT: Southwest airlines with flight 1021 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Yes, please go ahead and book the ticket.

ASSISTANT: Your ticket is confirmed David Edwards.

USER: Ok, thank you for assisting me.

ASSISTANT: Thank you for reaching us.