You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please help me to book a flight ticket from DCA to SFO, so I can meet my grand father.

ASSISTANT: May I know your itinerary dates?

USER: Ok, please book a ticket for the dates Oct 8th and Oct 10th respectively.

ASSISTANT: May I know your connection limit?

USER: No specification for this journey, please book a flight ticket if available.

ASSISTANT: Sure, please hold on for a while.

USER: Ok, please take your own time I will wait.

ASSISTANT: Frontier airlines with flight 1005 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Ok, please book.

ASSISTANT: May I know your name?

USER: My name is Shirley Davis.

ASSISTANT: Your ticket is confirmed Shirley Davis. Flight departs at 2:00 hours and arrives at 11:00 hours.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.